What is the minimum thickness for the brake rotors on a 2004 chevy trailblazer?


27.5 mm, 1.08 in is the minimum thickness of brake rotors for a 2004 Chevy Trailblazer. Chevrolet TrailBlazer is an SUV that was produced by the Chevrolet division of American automaker General Motors.

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The Oldsmobile Bravada is a mid-size luxury sport utility vehicle (SUV) from the now retired Oldsmobile marque of General Motors. There have been two different vehicles to bear this model name, the first and second-generation GMT330, and the 2002 to 2004 GMT360. The third generation model was the only one offered in Canada. The 1991 Bravada was an upscale version of the then-new 4-door S-Blazer/Jimmy. It was the first truck-based vehicle offered by Oldsmobile since the 1920s, and by that time was a United States-only vehicle. Unlike its siblings, the Bravada was only offered with "Smart Trak" all-wheel drive, power equipment, body-colored bumpers and exterior trim, and the 4.3 L W-code engine. At the heart of Smart Trak system was the Borg Warner 4472 transfer case, offering 65% rear and 35% front torque with more to the front when it slips. Anti-lock brakes and remote keyless entry were also standard. The 4.3 L V6 engine got a horsepower boost to 200 for 1992. Also for '92, the Bravada's instrument panel was slightly modified to differ from its siblings. 1993 saw the addition of an overhead console with compass, temperature, and reading lights. An optional Gold package with gold exterior badging and special gold aluminum wheels was also new for '93. This version was produced through 1994. The first generation Bravada with the 160 hp engine averaged United States Environmental Protection Agency city/highway 17 miles per US gallon (14 L/100 km; 20 mpg-imp)/22 miles per US gallon (11 L/100 km; 26 mpg-imp). The second generation with the 200 hp engine averaged 16 miles per US gallon (15 L/100 km; 19 mpg-imp)/21 miles per US gallon (11 L/100 km; 25 mpg-imp). The Bravada was refreshed later than the others, with no 1995 models produced. The 1996 and 1997 models were less boxy than their predecessor. This generation Bravada could easily be distinguished from the Chevrolet Blazer and GMC Jimmy by its Oldsmobile-styled body-colored split grille, premium alloy wheels, and lower bodyside cladding. Standard fare including a driver's airbag and daytime running lamps. The interior styling was more appealing to the eye with less ridges and squares, much like the exterior. In keeping with its luxury image, the Bravada's interior was modified and upgraded, to differ from its Chevrolet/GMC siblings. The front bucket seats were similar to those found on the Aurora. Other interior features included standard leather seating, woodgrain trim, and its unique center console with a leather-wrapped console shifter (as opposed to a column shifter on the Blazer/Jimmy). In 1997, 4-wheel anti-lock disc brakes became standard and the rear spoiler was deleted. As with the previous generation, the Oldsmobile Bravada was available only in 4-door, 5-passenger configuration. Another refreshening occurred in 1998. The "Smart Trak" system now featured the computer controlled NP-136 transfer case, which works more like a traction control. The Bravada was now run RWD in normal operations and only when wheel slip is detected does the "Smart Trak" kick into AWD. A revised interior including dual airbags, heated seats, and a new front fascia which included the new Aurora inspired Oldsmobile logo. OnStar was available in 1999 as a cell phone unit, later becoming integrated into the rearview mirror in 2001 with available features like hands-free calling and virtual advisor. A Bose sound system was added for 1999 and the engine was redesigned in 2000, though output remained the same. A new two-tone exterior dubbed the Platinum Edition was made available in 2000. This generation was phased out in 2001 to make way for the new GMT360 Bravada. The second generation Bravada EPA city/highway averaged 16 miles per US gallon (15 L/100 km; 19 mpg-imp)/21 miles per US gallon (11 L/100 km; 25 mpg-imp). The new 2002 Bravada hit showrooms in February 2001. The third generation Bravada holds the distinction of being both the first GMT360 truck introduced, as well as the last new Oldsmobile model. Like the Chevrolet TrailBlazer and GMC Envoy, it used the new 270 hp (201 kW) Atlas I6 engine. Rear-wheel drive was available for the first time as well, making this the first rear wheel drive Oldsmobile since the 1992 Custom Cruiser. The Bravada entered Canada at that time. This was the first Oldsmobile with a straight-6 engine since the Omega of 1978, and the only GMT360 not to offer a V8 engine option. Production of the Bravada ended with the demise of the Oldsmobile marque in 2004. The last 500 Bravadas were produced as "Final 500" special editions, each featuring custom seat embroidering and exterior badging inspired by vintage Oldsmobile logos, dark cherry metallic paint, unique chrome alloy wheels, and a medallion featuring that particular Bravada's production number, ranging from 1 to 500. The last Bravada, the number 500, rolled off the assembly line on January 12, 2004. The closing of the last factory that manufactured the trucks was the subject of an emotional 2009 HBO documentary - “The Last Truck: Closing of a G.M. Plant”. The Bravada bodyshell was continued by its joint replacements, the 2004-2007 Buick Rainier and the 2005-2009 Saab 9-7X - the latter of which remained in production until December 2008. The third generation Bravada EPA city/highway averaged 15 miles per US gallon (16 L/100 km; 18 mpg-imp)/21 miles per US gallon (11 L/100 km; 25 mpg-imp).
The Chevrolet TrailBlazer is a mid-size sport utility vehicle produced by the Chevrolet division of American automaker General Motors. On November 10, 2011, General Motors officially revealed a second generation of the vehicle to be sold worldwide. It is unknown if it will be sold in North America. The TrailBlazer nameplate was introduced in 1999 as an upscale trim line of the Blazer. In 2002, the TrailBlazer turned into a separate model. Production of the Blazer overlapped with the TrailBlazer until 2005, when the 2-door was sold at dealers while the 4-door was fleet only (until the 2004 model year). The first-generation TrailBlazer is based on a truck platform called GMT360, with all models having four-wheel drive as an option with both automatic engagement and the more traditional "4 High" and "4 Low" gearings, except the SS model which features an All wheel drive system. The TrailBlazer features an independent front suspension, and a five-link rear suspension. A G80 locking rear differential is available as an option on all models except for the SS which has a G86 LSD standard. An 'LT' version, has up-graded interior features, better sound system, alloy wheels, 4-wheel disc brakes, and a towing package. The TrailBlazer was facelifted for late 2005/early 2006. A new front fascia and interior trim were included with the refresh, but only apply to the upper-level LT models. The LS trim still has a similar front and rear fascia to the 02-05 models. The SS gets trim-specific front and rear fascias plus colormatched side skirts. The TrailBlazer comes with a 291 hp (217 kW) 277 lb·ft (376 N·m) all-aluminum 4.2 L "Atlas" LL8 inline-six engine standard and an optional 302 hp (225 kW) 330 lb·ft (447 N·m) aluminum small-block 5.3 L V8 with Active Fuel Management. The inline-six makes the TrailBlazer the most powerful six-cylinder SUV in its class. The Active Fuel Management system on the V8 engine shuts off 4 of the 8 cylinders during highway travel and idle to save fuel. The 6-cylinder versions of the TrailBlazer get up to 20 miles per US gallon (12 L/100 km; 24 mpg-imp) highway, according to refreshed United States Environmental Protection Agency estimates. The TrailBlazer won the North American Truck of the Year award in 2002. The 4.2 L I6 Atlas LL8 appeared on the Ward's 10 Best Engines list from 2002–2005 with innovative features such as DOHC, Variable Valve Timing (VVT) on the exhaust camshaft, and GM's patented Lost-foam casting process. One unique element of the TrailBlazer line was the availability of a 3-row, 7-passenger EXT version. This vehicle was 16 in (406 mm) longer and had a higher roofline to allow easier access to the third row of seats. This roof was disguised by standard roof racks. Production of the EXT model was handled by the Oklahoma City Assembly plant in Oklahoma City, Oklahoma. The last TrailBlazer EXT rolled off the assembly line on February 20, 2006, because GM had reportedly closed that plant, making 2006 the final year for the TrailBlazer EXT. The EXT could be identified by its much straighter rear doors (which were not in-line with the rear wheel arches), as well as by the circular, metal cap on each of the quarter windows where the opening mechanism attaches. An SS model was introduced for the 2006 model year. This was the first time a production SUV wore the Super Sport badge. This TrailBlazer came standard with a 6.0 L LS2 V8 based on the same engine that came standard in the 2005-2007 C6 Corvette. IIHS tests give early Trailblazers a Marginal overall rating in the frontal offset test while 2005–2009 models get an Acceptable rating. For 2008 models side curtain airbags became standard but the Trailblazer gets a Marginal overall side impact rating regardless of airbag configuration. Torso type side airbags were unavailable. 2007 National Highway Traffic Safety Administration (NHTSA) Crash Test Ratings: The next generation TrailBlazer was to be built on an upgraded version of the current GMT360 platform called the GMT361. It was scheduled to be launched in spring 2007, but in January 2006, GM decided to just refresh the current platform and call the vehicle a GMT360NG. However, in June 2006, GM announced that the GMT360NG program was also canceled due to the large investment. GM decided to keep the current TrailBlazer until the 2009 model year (2008 in Mexico). Buick instead got the Enclave, a GM Lambda platform-based crossover SUV to replace the Rainier (along with the Rendezvous and the Terraza minivan), while GMC got the GM Lambda platform-based crossover SUV Acadia to replace the Envoy. Also, Saab will replace the 9-7X with the 9-4X][. The Trailblazer, along with the Chevrolet Uplander minivan, were replaced by the Chevrolet Traverse. GM had closed the Moraine plant on December 23, 2008, ending production of all GMT360 products. The last Chevrolet TrailBlazer rolled off the Moraine line on December 16, 2008, a week before the plant's closure. The closing of the last factory that manufactured the trucks was the subject of a 2009 HBO documentary “The Last Truck: Closing of a G.M. Plant”. General Motors and Isuzu are recalling more than 258,000 SUVs in the U.S. and Canada to fix short-circuits in power window and door lock switches that can cause fires. The recall covers Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, Isuzu Ascender and Saab 9-7X SUVs from the 2006 and 2007 model years. The SUVs were sold or registered in 20 U.S. states, Washington, D.C., and Canada, where salt and other chemicals are used to clear roads in the winter. The second-generation TrailBlazer was unveiled as a concept at the 2011 Dubai Motor Show, and as a production model at the Bangkok Motor Show on March 21, 2012. . The TrailBlazer returns to the roots of General Motors' classic body-on-frame SUV's that the first-generation TrailBlazer abandoned. As is the case with the original Chevrolet Blazer (1969-1994), Tahoe (1995-present), Suburban (1935–present), S10-based Blazer (1983-2005), the TrailBlazer will be based on a pickup truck chassis, in this case the 2012 Chevrolet Colorado. This TrailBlazer is built in Thailand and in Brazil as well. Although management is opposed to bringing it to the North American market because of fuel economy regulations and the push to crossovers][, dealers and many Chevrolet truck fans on the Internet are pushing for the TrailBlazer to come to North America][, likely in the Wentzville, Missouri plant where other GMT700 trucks are being produced, but to the fact that GM has the four midsized crossover SUV's in North America (the Buick Enclave, the Cadillac SRX, the Chevrolet Traverse, and the GMC Acadia; five if the rental-only Chevrolet Captiva was included), GM will not be releasing the new TrailBlazer in this region for the time being. The Trailblazer is currently being sold in some of the Southeast Asian countries, South Africa, Saudi Arabia and is sold in Australia as the Holden Colorado 7 from 2013. The 2013 Isuzu MU-7 also resembles the second generation Chevrolet Trailblazer.
The 2012 Trailblazer comes with two engine options, both diesel, one featuring a Duramax 2.5 L, 150 hp (110 kW) 350 Nm (258 lb-ft) standard, and an optional Duramax 2.8 L, 180 hp (132 kW) 470 Nm (346 lb-ft). For the Brazilian market, a 3.6 V6 petrol engine producing 239 hp (179 kW) 360 Nm (265 lb-ft) is also available.
The Chevrolet and GMC G-Series vans were made by General Motors for North America. They are in the same vehicle class as the Ford Econoline van and the now discontinued Dodge Ram Van. The term "Chevrolet van" also refers to the entire series of vans sold by Chevrolet. The first Chevrolet van was released in 1961 on the Corvair platform, and the latest Chevrolet van in production is the Chevrolet Express. The G20 and its counterparts replaced the original Chevrolet Corvair Greenbrier Van in the late 60s the model line evolved until it was replaced in 1996 by the Chevrolet Express. 1964-70 G20s came with six-lug wheels (6 lugs - 5.5" (139.6 mm) bolt circle), while the 1971-96 generation came with the 5 lug - 5" (127 mm) bolt circle. G20s were fitted with the ball joints from the Chevrolet/GMC 3/4 and 1 ton pickups although using the 1/2 ton pickup's brake rotors. A light duty version, the G10, was produced alongside the G20 - the early versions used the Chevrolet passenger car wheels (5 lugs - 4.75" (120.7 mm) bolt circle) until 1975 (G10s manufactured prior to the 1976 model year had the smaller bolt pattern, common with the short wheelbase vans), yet can still handle LT tire sizes for better handling and stability. The G20 series sported an SB 262 4.3L engine, not much was changed mechanically in the vehicles since their release, other than carburettor to a throttle body fuel system, and less use of a vacuum system. Currently there are more after market part options available for its V8 counterparts. Not much has been done in the lines of performance options for the small V6 G20 models, but the reliability remains the same throughout all the G-series models. The G20's low cost of upkeep, size, and options have made this van popular with all different kinds of trades, from plumbers to caterers. The first General Motors van was the Chevrolet Corvair-based Chevrolet Greenbrier van, or CorVan introduced for 1961, which used a flat-6 opposed rear engine with air cooling, inspired by the Volkswagen bus. Production of the Chevrolet Greenbrier ended during the 1965 model year. The 1st generation ChevyVan refers to the first Chevrolet G-Series vans G- ton production years 1964 through 1966. General Motors saw a market for a compact van based on a modified passenger car platform to compete with the already successful Ford Econoline and Dodge A100. The 1964 ChevyVan had a cab forward design with the engine was placed in a "doghouse" between and behind the front seats. The implementation of situating the driver on top of the front axle with the engine near the front wheels is called internationally a "cab over" vehicle. Engines and brakes were sourced from the Chevy II, a more conventional compact car than Chevrolet Corvair. The forward engine design allowed a flat rear floor with low deck heights in the rear of the van for loading/unloading cargo. This model was also sold by GMC as Handi-Van. The 1st Gen vans were available in only the short 90-inch wheelbase and were only sold with the standard 90 hp 153-cubic-inch straight-4 or Chevrolet Straight-6 engine. A first gen is quickly identified by its single piece flat windshield glass. The first 1964 ChevyVan was originally marketed and sold as a panel van for purely utilitarian purposes. Windows were available as an option, but were simply cut into the sides from the factory. In 1965, Chevy added Sportvan which featured windows actually integrated into the body. GMC marketed their window van as Handi-Bus. Air conditioning, power steering and power brakes were not available in the 1st generation vans. The original "classic" flat windshield van. The 90 hp (67 kW) 153 cu in (2.51 L) four-cylinder engine was standard equipment with optional 120 hp (89 kW) 194 cu in (3.18 L) Chevrolet Straight-6 engine available. The straightforward construction and a boxy design was ideal for economically hauling cargo, tools and equipment around town. The base cargo model was the ChevyVan, available with or without windows and side cargo doors. Even the heater and right front passenger seat were optional. The Warner 3-speed manual transmission was standard with column shift. A 2-speed Powerglide automatic transmission was available as an option. For 1965, the van remained largely unchanged. The grille openings were widened, and received one additional slot just above the bumper to increase cooling. Seat belts were added. The exciting news for the 1965 model year was the introduction of the Chevy Sportvan and GMC Handi-Bus. Sportvan was a passenger friendly van with windows molded into the van body. A retractable rear courtesy step for the passenger side doors was used on the Sportvan. The 194 6-cylinder engine was now standard equipment, with an available 'Hi-Torque' 140 hp (100 kW) 230 cu in (3.8 L) six-cylinder This was the last year of the flat glass front end on the Chevy Vans. Changes for 1966 include the addition of back-up lights, the side ChevyVan emblems were moved forward and now mounted on the front doors, and the antennae location was moved from passenger side to driver side. The base model "Sportvan" now had two additional trim packages available: Sportvan Custom and Sportvan Deluxe. These featured available upgrades such as Chrome bumpers, two tone paint, rear passenger seats, interior paneling, padded dash, chrome horn ring. In 1967, ChevyVan received a major facelift, including moving the headlights down to a new redesigned grille, larger, rectangular tail lights and a curved windshield. The forward control cab design was retained, but the doghouse was lengthened, widened and slightly relocated in order to fit an optional Chevrolet Small-Block engine. Engine cooling was improved with the addition of an optional larger cross-flow type radiator and a redesigned front floor which included a low-profile tunnel allowing more fresh air to the radiator. The 2nd gen vans were available in either the 90-inch or the longer 108-inch wheelbase. Power steering and "conventional" air conditioning (with dash vents & controls) were never available on the second-generation vans. 1967 begins the "Second Generation" ChevyVan with a whole new look to the van and offering a longer 108" wheelbase and v8 power to buyers for the first time. GM designers moved the headlights down to a new grille, added longer, rectangular tail lights and a rounded glass windshield. 1967 was the only early 2nd generation that did not have side marker lights. The forward control cab design was retained, but the doghouse was widened and lengthened in order to fit the optional V8 Chevrolet Small-Block engine. Engine cooling was improved with redesigned doghouse, the addition of a larger optional cross-flow type radiator and a redesigned front floor tunnel more fresh air to the radiator. The 2nd gen G-10 vans were available in the original short wheelbase 90 inches (2,286 mm) or the new optional long wheelbase 108-inch (2,743 mm) with 5 on 4&3/4" lug bolt pattern. Another feature in 1967 was the availability of a new G-20 heavy duty 3/4 ton van. The G-20 featured heavier suspension, a 12 bolt rear axle and increased hauling capability with a 6 lug bolt pattern. The G-20 model was available only on the 108 long wheelbase. For 1967, the 140 hp (100 kW) 230 cu in (3.8 L) six-cylinder was now standard, with the optional 155 hp (116 kW) 250 cu in (4.1 L) six-cylinder or the 175 hp, 283 cu in (4.64 L) 2-barrel, V8. Brakes were now upgraded to a safer split system including a dual reservoir master cylinder. This was the first year that Chevy Vans had side-marker lights, mandated by federal government regulations. The front lights were located towards the front in the middle of the front doors, while the rear marker lights were located about a foot inward of the very back edge just below the vertical middle of the van. The optional V-8 engine was upgraded from the 283 2-barrel (175 HP) to the larger, more powerful 307 2-barrel V8 (200 HP @ 4600 rpm). A column shift 4-speed transmission (Warner T10) was now available as an option. The 1968 Chevrolet Sportvan 108 was the inspiration for the Scooby-Doo cartoon series van known as The Mystery Machine. For the 1969 model year, the 3-speed TH-350 Turbo-Hydramatic automatic transmission and optional power brakes were now available. "Body-integrated" air conditioning was available on 1969 Sportvan models. This was not your typical AC setup with dash vents and controls, but rather a roof-mounted unit with a single blower duct that had adjustable louvers to direct air flow. Up front, the Chevrolet bowtie emblem changed in color from red to blue this year. 1970 was the last year of the square styling, front drum brakes, and I-beam front axle. The 250 CID 6-cylinder (155Hp @ 4200 rpm) was now standard equipment. In addition to the 307-2-barrel V-8, a 350-4-barrel (255 HP @ 4600 rpm) V-8 engine was available as an option for the first time in 1970. The 3-speed automatic and manual 4-speed column shift continued to be available as transmission options. In 1971, ChevyVan received a major redesign, moving the engine forward of the driver with a short nose and hood. The van was constructed of a unibody style frame and employed stronger truck style hubs and brakes with dual A-Arm independent front suspension. The major restyle followed the engine-forward design of the competing 1968 Ford Econoline. Suspension and steering parts came from the Chevrolet/GMC C-series pickup trucks. GMC now marketed their vans under the VanDura name. These models between 78 and 96 were popular with Van conversions such as Curtis and Starcraft. For 1997, the Chevrolet and GMC vans were replaced with the next-generation Chevrolet Express and GMC Savana. They adopted aerodynamic styling, and the extended 15 passenger version rode on a longer wheelbase, rather than just an extended body. These vans were built on a stronger truck frame versus the previous generation's unibody construction. A left-side door was made available for the declining passenger van market. The G20 passenger van came standard with a 4.3-liter V6 (135 hp (101 kW) and 235 lb·ft (319 N·m) @2400 rpm). The G20 could also have an L05 engine, which was a 5.7-liter V8 (190 hp (142 kW) @ 3600 rpm, 300 lb·ft (407 N·m) @ 2400 rpm). A 7.4-liter V8 (230 hp (172 kW), 385 lb·ft (522 N·m) @2400 rpm) was exclusive to the G30. The transmission choices were a four-speed automatic or a five-speed manual. Chevrolet also offered, in 1982–1995, a pair of 6.2-liter and later the 6.5-liter naturally aspirated diesels and 5.0-liter V8 (150 hp (110 kW), 247 lb·ft (326 N·m) @2400 rpm) All new bodystyle was introduced this year, which continued until the end of the 1996 model year. The Vandura and sister ChevyVan replaced the earlier flat nosed model. The GMCs were introduced in April 1970; interior components such as the steering column and steering wheel were sourced from the Chevrolet/GMC C/K pickups. The short wheelbase vans measured 110 inches (2,794 mm), while the long wheelbase was 125-inch (3,175 mm) wheelbase. Clear blinker housings were used on early models, along with blue grille ornaments Chevrolet models. For 1973, the dashboard was redesigned, steering wheel and side fender badges became similar to that used on the new for 1973 pickups and the Chevrolet bowtie grille eblem was changed from blue to yellow. In these 73-77 Chevy Van years you could order a custom van of your dreams, complete with shag carpet and side pipe exhaust. From a company called "Van-Tastic" owned by Hop Cap Inc. in Bremen, Indiana. All in the comfort of your new Chevrolet Dealership. During the same period, GMC offered cutaway versions called the MagnaVan, while Chevrolet offered a similar version called the "Hi-Cube Van." The front sheetmetal was updated. Changes include: a new, built-out plastic grille with integrated blinkers, different fenders, round headlamps on lower-end models and square headlamps on higher-end models, and another new dash. Front and rear bumpers were enlarged.Chrome grille required square headlamps. All 1980 vans were given new rear-view mirrors on the driver and passenger doors. Some models got electronic spark control. Chevrolet offers Bonaventure trim for 1981 and 82 with chrome bumpers, Chrome sidemarker, lights and trim around the tailamps also Rare chrome grille with round headlamps, Only G series vans that had chrome grille and round headlamps from factory.Any other G van with a chrome grille from 1978-1982 required the rectangular headlamp option. For 1982, the locking steering column was introduced; the ignition switch, dimmer switch and wiper switch were relocated to the steering column. After 1982, 3-speed manuals would be relocated to the floor and base models will no longer have round headlamps, which would make Manual Transmission 1982 G vans rare and collectable as 1982 was the only model year with column shift manual transmission and ignition switch on the steering column. The 6.2 diesel was first available and Stacked 4-headlights introduced, alongside with a revised grille. Base models continued with 2 headlights. All van models now have square headlamps. From this model year on, tilt steering was available with a manual transmission because the steering column was retilted to be similar to the C/K trucks and all manual transmission levers are now on the floor. New steering wheels were introduced as well to be similar to the Monte Carlo/Malibu. Automatic overdrive introduced. 4-speed manual 117M transmission introduced. This version was made famous by the American television series The A-Team. New swing-out side doors were introduced to go with the standard sliding side door. The doors were a 60/40 split.Last year for Chrome trim side marker lamps and chrome trim around tail lamps options. The taillight and side marker lenses were redesigned. New Grille Treatment similar to the pickups. Most engines are fuel-injected and a 4.3-liter V6 replaces the old 4.1-liter inline six 115 hp. Diesel engine 6.2 is available in 165 hp. A carbureted 5.0-liter 190 hp V8 engine (option LE9) was also available in the 49-state version, with fuel injection for California-emission vehicles. Unlike the Dodge Ram and Ford Econoline vans which had a welded-on body extension, a 155-inch (3,937 mm) wheelbase was introduced (about the same length as a Chevrolet/GMC crewcab truck). This was done to accommodate an extra bench seat, finally giving GM a 15 passenger van. GM was the last American automaker to produce such a van, with Dodge introducing the genre in 1971 and Ford joining them in 1978. Facelift using the front grille from the former Chevrolet/GMC R/V series pickups and SUVs (Blazer, Suburban, Crew Cab/Dually), previously phased out of production in 1991. G30 models getting 4L80E transmission as standard. The 4L80E/4L60E automatic transmission was introduced, replacing the TH400/TH700R4. Brake-shift interlock is a standard, new-for-1993 feature, which requires the brake pedal to be depressed in order to shift from park. A 4-wheel antilock brake system is also a standard, new-for-1993 feature. A driver's side airbag and center high mount stop lamp were made standard, as well as CFC-free refrigerant in models equipped with air-conditioning. A new longer nose and four head light design was introduced (similar to the C/K of the same era), a very popular school bus conversion. The engine also received a facelift, with the 4.3L V6 now labeled the "Vortec". Engine sizes remained fairly the same e.g. 4.3L, 5.7L, 7.4L engines. Several versions of the van were available for purchase depending on the buyer's needs. Base model was basically a stripped down model - no frills, very limited interior and no rear seats. The "Sportvan" had all the features of a full conversion van, but no rear seats and no fiberglass roof extension. Then finally, the "Conversion" models were sent from the factory bare-bones, to have the interior and exterior upgrades added by third-party companies such as "Mark III, Tiara, Coach, Starcraft, etc." This year was essentially carryover from 1995. The 1996 G20 conversion van was an echo of the first generation G20. In 1966, General Motors developed the concept vehicle Electrovan, based on the GMC Handi-Van. The vehicle used a Union Carbide cryogenic fuel cell to power a 115-horsepower electric motor. It never went into production due to cost issues and safety concerns.
The Chevrolet Nomad was a station wagon model made off and on from 1955 to 1972, and a Chevy Van trim package in the late 1970s and early 1980s, produced by the Chevrolet Division of General Motors. The Nomad is best remembered in its two-door 1955–57 form, and was considered a halo model during its three-year production as a two-door station wagon. The two-door Nomad differed from other station wagons of the era by having unique styling more reminiscent of a hardtop sedan than that of a standard station wagon. Chevrolet shared this body with its sister Pontiac, which marketed their version as the Pontiac Safari. The Nomad's unique design had its roots in a General Motors Motorama show car of the same name that was based on the Corvette. The Concept was introduced at the GM Motorama in 1954 as one of Head Stylist Harley Earl's "dream cars". GM approved production of the vehicle if the design could be transferred to its standard model, because top GM brass felt that they could sell more models if it were attached to the popular Bel Air model. Between 1968 and 1972 the names Nomad and Nomad Custom were applied to the lowest-priced Chevelle four-door station wagon model, below the Chevelle Greenbrier, Chevelle Concourse, Chevelle Concourse Estate. In 1976, special Vega Nomad wagons were assembled with unique side window trim and filler panels (to make the 'b' pillars appear forward-slanted), tailgate rub strips, vinyl Nomad script identification. In the late 1970s and early 1980s, the name returned again on a trim package for the full size Chevrolet Van. It featured five-passenger seating with swiveling captain seats up front, a bench in the middle, and a spacious cargo area in the rear with no quarter windows. It could be had with plaid upholstery and two-tone paint. It was offered along with SportVan, CaraVan, Commercial Van, and Cube Van. The 1964 and 1965 model years brought a revival of sorts for original 1955-1957 Nomad, when Chevrolet produced a two-door mid-sized Chevelle 300 station wagon cast in a similar vein, but the Nomad name was not used for these wagons. There have been several Nomad concept cars. The first was of course Harley Earl's Corvette-based 1954 concept introduced at the GM Motorama that predated the classic "tri-year" production models. One from 1999 was based on the F-body (Camaro) and was V8 powered. Another concept presented in 2004 was based on the GM Kappa platform, and highly resembled the original 1954 Corvette-based Nomad showcar. It had a 107 inch wheelbase and was 155.5 inches long. In 2009, Superior Glass Works, a producer of fiberglass bodied reproduction cars introduced their own '54 Sports Wagon' rolling body, based on the original concept and built on a modified Corvette C5 chassis. In the '70's TV show "Starsky and Hutch", in one episode they chased an orange '55 Nomad. Starsky correctly referred to it as a Nomad on the show, instead of "station wagon". In contrast, numerous times the '55 Nomad was the vehicle driven by Jill Taylor (Patricia Richardson) on the sitcom Home Improvement, the Nomad was referred to as the "station wagon", although Tim Allen desired to and did correctly refer to it as "the Nomad" in at least two other episodes. In one episode Tim Allen destroys a 2-dr Handyman Wagon painted to look like the Nomad in the series. The Nomad was never damaged. A Turqoise '57 Chevrolet Nomad was driven by MacGyver in the episode "Harry's Will" in the sixth season. 3 separate Nomads were used in the 1989 movie, "Dead Poets Society;" One 1955 and two 1956 Nomads. In the 2010 movie, "Flipped," the primary family car was a 1957 Nomad. 1957 Chevrolet Bel Air Nomad was used in the Movie,"Sin City", 2005 It was driven by Jessica Alba.
The GMC Envoy is an SUV from the GMC marque of General Motors. It was introduced as a high-end version of the Jimmy for the 1998 model year, the same year the Jimmy was restyled. After a short hiatus during the time of which the Jimmy was phased out, the Envoy nameplate reappeared in the GMC line of vehicles from 2002 through 2009 as a standalone model until the unibody 7-seat Acadia and 5-seat Terrain replaced it; the Envoy sold alongside the Acadia from 2007-09. The Envoy nameplate made its first appearance as a high-end trim line of the GMC Jimmy SUV, itself a clone of the Chevrolet Blazer. This version used a 190 horsepower (140 kW) Vortec 4300L354.3L V6, and was retired after the 2000 model year. Unlike the Chevrolet Blazer, the GMC Jimmy was no longer produced starting in 2001 (US only, Canada continued to receive it until 2005). Being the top trim of the Jimmy line, the Envoy had many extra features not available on the regular Jimmy, including a remote trunk release, HID headlamps, both heated exterior mirrors and front seats, as well as a Bose audio system. Optional features included a power moonroof, a locking differential, and a power front passenger seat. The 1998-2000 GMC Envoy had a four wheel ABS braking system standard as well as standard front driver and passenger airbags. The Jimmy (same as Envoy) received a four star rating for both the driver and passenger in the frontal crash test from the National Highway Traffic Safety Administration. Envoy replaced the Jimmy name in GMC's lineup for 2002. While it still shared a platform with the Chevrolet TrailBlazer, the exterior styling is different. The interior, however, is extremely similar. The Vortec 4200 straight-6 engine was rated at 270 hp (200 kW) and 275 lb·ft (373 N·m), while the 2003 model received a small boost to 275 hp (205 kW). This rating grew to 291 hp (217 kW) for the 2006 model year with a redesign of the Vortec 4200. All models in the line-up have 4-wheel disc brakes. A Displacement on Demand 5.3 L V8 was optional only on the Envoy Denali beginning in 2005. The Envoy was Motor Trend magazine's Sport/Utility of the Year for 2002. The 4200 Vortec 4200 engine I6 engine was named one of Ward's 10 Best Engines from 2002 to 2005. The Envoy was also offered with an extended wheelbase to increase accommodation of more cargo and/or passengers. The Envoy XL was the full-size counterpart to the five-passenger mid-size Envoy. One unique element of the Envoy XL was the availability of a usable third row that was comfortable for a 6-foot (1.83 m) passenger. This vehicle is 16 in (406 mm) longer and has a higher roofline to allow easier access to the third row of seats. This roof is disguised by standard roof racks. The Envoy XL was longer than the short-wheelbase Yukon. The XL model was produced on the Oklahoma City Assembly plant in Oklahoma City, Oklahoma. During this year, GMC detached many options from packages in order for customers to save money. Additionally, the I6 engine received a small increase of 5 hp (3.7 kW). For the XL model, a new engine was introduced, a 5.3 Liter V8 with 290 hp (220 kW). Other notable changes included making front side curtain airbags previously standard on the 2002 model, optional, recreating the headlight switch to allow a Daytime Running Lamp (DRL) off switch, and also increasing the fuel tank to 22 US gallons (83 L). Not many changes were made to any of the models this year. The only changes included the added feature of optional adjustable pedals, optional XM Satellite Radio, and an optional DVD-based navigation system. The five-passenger Envoy XUV, introduced for 2004, was an attempt to create a combination of pickup truck and SUV. It featured a retractable rear roof section that slid forward, giving an open-topped load area. A 'MidGate' could be raised to partition the load area off from the passenger compartment; this was a solid, waist-height plastic-lined panel and with a retractable glass partition for the top half. The two-way tailgate could either hinge sideways or drop down; the tailgate glass retracted into the solid tailgate. The cargo area was waterproofed and fitted with a drainage system, allowing it to be easily hosed down for cleaning. The advantage of the Envoy XUV over a pickup truck or a more truck-like configuration such as the Chevrolet Avalanche (which originated the MidGate feature) is that with retractable roof and rear glass closed, the cargo area is sealed, full roof height and lockable, thus making it an enclosed SUV. The disadvantages include a much shorter cargo bed area and breakable side glass. The Envoy XUV's retractable roof was reminiscent of the Studebaker Wagonaire of the 1960s, while other features such as the 'MidGate' were similar to those of the GMC Terracross concept SUV. In 2005, a Denali luxury version of the Envoy became available. Both the standard-length wheelbase Envoy as well as the Envoy XL were available with the Denali trim option. The Envoy Denali features the hallmark bullet pattern grille and an upgraded interior with high-end car-like features such as heated power seats, extensive woodgrain trim, and rain-sensing windshield wipers. It also featured the GM Vortec 5.3 liter V8 engine with "Displacement on Demand," shutting off four of the eight cylinders when workload was minimal. Prices for the Envoy Denali ranged from US$37,145 to $42,750; prices for the Envoy XL Denali ranged from $38,575 to $43,895. Across the range, seating was restyled in hopes to increase comfort and quality of control of driving position. Additionally, a touch DVD navigation system was offered as an option. The option of side airbags evolved from previously just front-seat side curtain airbags to full-length side curtain airbags, covering both rows of seats (in the XL model, all three rows). Envoy XUV sales, projected at 30,000 per year (approximately a third of Envoy production), were much slower with just over 12,000 sold in 2004. GM discontinued XUV production on March 15, 2005. For 2006, GMC added standard stability control, called "Stabilitrak," as well as standard cruise control, OnStar, and a tire pressure monitoring system. For the Denali, new 18-inch alloy wheels were introduced. The Envoy XL was discontinued after the 2006 model year when the Oklahoma City plant closed on February 20, 2006. It was replaced by the Acadia crossover SUV in 2007. For 2008 side-curtain airbags were made standard as well was XM Satellite Radio. General Motors and Isuzu are recalling more than 258,000 SUVs in the U.S. and Canada to fix short-circuits in power window and door lock switches that can cause fires. The recall covers Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, Isuzu Ascender and Saab 9-7X SUVs from the 2006 and 2007 model years. The SUVs were sold or registered in 20 U.S. states, Washington, D.C., and Canada, where salt and other chemicals are used to clear roads in the winter. The Envoy (along with the Chevrolet TrailBlazer-Saab 9-7X-Oldsmobile Bravada-Buick Rainier-Isuzu Ascender) were phased out during the 2009 model year. GM closed the Moraine, Ohio plant on December 23, 2008, ending production of all GMT360 products. The closing of the last factory that manufactured the trucks was the subject of an emotional 2009 HBO documentary - “The Last Truck: Closing of a G.M. Plant”. It is unknown if the Envoy name will return should the second generation of the TrailBlazer go on sale in the North American market.
The Chevrolet Citation was a compact car sold by the Chevrolet brand of American automaker General Motors (GM) for model years 1980-1985. The Citation (originally to be named the "Condor") and its X-body siblings (Buick Skylark, Oldsmobile Omega, and Pontiac Phoenix) were among GM's first front wheel drive compact cars, following the trend of front drive compacts such as the Honda Accord and Volkswagen Dasher. 1,642,587 were produced. In anticipating consumer demand for smaller cars, GM switched from V8 engines to smaller, more economical V6 and 4-cylinder engines. The X-body cars were some 800 lb (360 kg) lighter than the rear-drive compacts they replaced. The Citation was Motor Trend magazine's Car of the Year for 1980, a decision later criticized by the staff of Car and Driver in 2009, citing that the poor build quality and mechanical reliability were not deserving of such an award in hindsight. 1980 model sales were brisk and the production lines were unable to keep up with the demand, causing significant delays in delivery to customers; some had to wait nine months to receive their vehicle. The Citation was also Chevrolet's first front-wheel drive car. Planning for this family of vehicles started in April 1974, following dismal sales of full-size domestically-produced vehicles in favor of smaller import cars. Sales of the latter spiked following the Arab oil embargo of 1973 and its resulting gasoline shortages. The first prototypes were created in mid-summer 1976, with the intent of releasing it as a 1978 model. This did not happen, largely due to problems with supply of parts that up to that point, had never before been produced. Thus, the Citation was released in April 1979 as an early 1980 model. The Citation's initial retail price was under US$6,000. Three body styles were available, a 2-door coupe, also known as a notchback, 3-door hatchback and a 5-door hatchback. The front wheel drive design and hatchback bodies were a radical departure for the American industry, and GM was widely praised for the X-body's efficient packaging and smaller engines. Helped by an April 1979 release, the 1980 Citation sold around 800,000 units. The X-body cars were the target of an unsuccessful lawsuit by the U.S. National Highway Traffic Safety Administration (NHTSA), which cited a tendency to lose control under heavy braking and power steering problems. The X-body cars were, however, recalled many times and the Citation's reputation took a beating, resulting in decreasing sales every year. The 1984 and 1985 models were badged Citation II in a halfhearted attempt to convince consumers that the vehicle's problems had been overcome to the extent that the car deserved a new name. The 1985 models received a much improved interior design. The introduction of Chrysler's similarly packaged, but more conventionally styled K-cars (the Dodge Aries and Plymouth Reliant) for 1981, along with the GM J platform models (introduced in 1982) also ate into sales of the Citation. The slow selling 2-door coupe was dropped for 1981. However, it was reintroduced for 1982. The last Citation rolled off the assembly line on June 21, 1985. In addition to the X platform, GM also created a new line of engines for the Citation and its sisters. The 2.8 L LE2 V6 was the first of the 60°Family of engines. The X platform was used in 1982 as the basis for the new front-wheel drive A-body cars. The X platform was also the basis for the future L-body and N-body cars. Car and Driver and several other car magazines at the time were duped when GM lent them specially modified versions of the X-body vehicles in which the often noted torque steer (for which they became famous) had been engineered out. Patrick Bedard of Car and Driver later admitted that they were completely surprised when they later drove a production version. The Citation was dropped after the 1985 model year, ultimately replaced by the L-body Beretta coupe and Corsica sedan in 1987. With the performance-enhanced Citation X-11, Chevrolet wanted to remind the car buying public that this front wheel drive newcomer was made by the same people as the Corvette and Camaro. The SCCA classified the X-11 in Showroom Stock B class. Bob McConnell drove a 1981 X-11 to SSB National Championships in 1982 and 1984. The 1980 Citation X-11 had front and back stabilizer bars, standard 4 speed overdrive manual or the optional 3 speed automatic, sport type suspension, Goodyear P205/70R-13 white lettered tires with rallye rim trim, a rear spoiler, side striping, black grill and body accents, sport steering wheel, body-color dual sport mirrors, Special full Instrumentation with a 6000 rpm tach, standard Pontiac 2.5-liter 4 cyl Iron duke or the optional Chevrolet 2-bbl LE2 2.8-liter V6 engine that produced 115 hp (86 kW).The 1980 Citation X-11 transmissions had special gearing to allow 60 mph (97 km/h) in second and a move up of first to help fill the stretch. The 1980 Citation X-11 was available only on the 2-Door Hatchback Coupe and Club Coupe (Notchback). The 1981 to 1985 Citation X-11 models had legitimate performance upgrades such as a 2-bbl 2.8 V6 LH7 High Output engine, including Tuned High-Flo Exhaust with Dual-Tipped Muffler, F41 sport suspension, rear spoiler, special axle ratios, special full instrumentation with a 7000 rpm tach, front and back stabilizer bars, 14" specific alloy wheels with the word "Citation" cast in, Goodyear Eagle GT P215/60 R14 radial tires, functional fiberglass cowl induction hood with "High Output V6" logo and also on the air filter housing on the 81-84 X-11 models, dual sport mirrors, "strobe" style X-11 graphics on the lower side doors and rear spoiler, standard 4-speed overdrive manual or the optional 3-speed automatic, both with special gearing. The 1985 Citation X-11 had a MPFI version of the 2.8 L V6 LB6 and a nonfunctional fiberglass cowl induction with 2.8 F.I. Multiport Logo. The 4-speed manual overdrive was listed available on the 1985 Chevrolet Citation brochure, but it was mentioned that it wasn't available, and the 3-speed automatic was the only transmission available for 1985. Handling in the 1982 model was improved by relocating the steering rack from the firewall to the engine/front suspension subframe. This prevented subframe movement from affecting steering. The 2.8 V6 H.O. LH7 engine was more powerful in the 1981 version of the X-11. It produced 135 hp (101 kW) and 165 lb·ft (224 N·m) of torque. The car accelerated from 0-60 MPH in 8.5 seconds. The 1982 through 1984 versions of the 2.8 V6 H.O. LH7 produced 135 hp (101 kW) but the torque was down to 145 lb·ft (197 N·m), due to emission regulations. These cars accelerated to 60 mph (97 km/h) in 9.2 sec. The 1985 Citation X-11 had a multi-port fuel injected 2.8 V6 LB6 engine which produced 130 hp (97 kW) and 155 lb·ft (210 N·m) of torque. The 1981 Citation X-11 is also faster than the 1985 model][. X-11 production][ A Chevrolet Citation was also used by Volvo for testing new engine and drivetrain components while developing their Galaxy project, which resulted in the Volvo 850.
The GMT 360 debuted in 2002 with the Chevrolet TrailBlazer, GMC Envoy, and Oldsmobile Bravada, as the next generation S/T mid-size SUV's. While it replaced the GMT 330, it shared nothing with the older platform. It used hydroformed frame rails like the larger GMT 800, and was built for GM's Atlas inline engines. The GMT 360 (and the long-wheelbase GMT 370) went on to be one of the most rebadged GM products with six different marques represented. The 360 uses an independent suspension in front. In the rear, the Ascender and TrailBlazer and some Envoys use a 5-link rear suspension, while the rest have an air suspension. A 4-speed automatic is the only transmission available. This line will be replaced in 2009, however, with crossover vehicles based on a stretched version of the TE (Theta Premium) architecture. The GMT 361 replacement program has been cancelled at this point. But, according to the GM Fleet website, the Chevrolet TrailBlazer, GMC Envoy, and Saab 9-7X will remain in production for the 2009 model year. Production ended late December 2008. Applications: GMC Envoy XL Chevrolet TrailBlazer 2006 Saab 9-7X

The Chevrolet TrailBlazer is a mid-size sport utility vehicle produced by the Chevrolet division of American automaker General Motors.

On November 10, 2011, General Motors officially revealed a second generation of the vehicle to be sold worldwide. It is unknown if it will be sold in North America.


General Motors Company, commonly known as GM, is an American multinational holding corporation headquartered in Detroit, Michigan that, through its subsidiaries, designs, manufactures, markets and distributes vehicles and vehicle parts and sells financial services. General Motors produces vehicles in 37 countries under thirteen brands, including Chevrolet, Buick, GMC, Cadillac, Baojun, Holden, HSV, Isuzu, Jie Fang, Opel, Vauxhall, UzDaewoo, and Wuling. As well as owning shares in PSA Peugeot Citroen. General Motors employs 212,000 people and does business in 157 countries. General Motors is divided into five business segments: GM North America (GMNA), GM Europe (GME), GM International Operations (GMIO), GM South America (GMSA), and GM Financial.(pp12, 13)

General Motors led global vehicle sales for 77 consecutive years from 1931 through 2007, longer than any other automaker, and is currently among the world's largest automakers by vehicle unit sales

The Chevrolet TrailBlazer is a mid-size sport utility vehicle produced by the Chevrolet division of American automaker General Motors.

On November 10, 2011, General Motors officially revealed a second generation of the vehicle to be sold worldwide. It is unknown if it will be sold in North America.


A disc brake is a wheel brake which slows rotation of the wheel by the friction caused by pushing brake pads against a brake disc with a set of calipers. The brake disc (or rotor in American English) is usually made of cast iron, but may in some cases be made of composites such as reinforced carbon–carbon or ceramic matrix composites. This is connected to the wheel and/or the axle. To stop the wheel, friction material in the form of brake pads, mounted on a device called a brake caliper, is forced mechanically, hydraulically, pneumatically or electromagnetically against both sides of the disc. Friction causes the disc and attached wheel to slow or stop. Brakes convert motion to heat, and if the brakes get too hot, they become less effective, a phenomenon known as brake fade.

Disc-style brakes development and use began in England in the 1890s. The first caliper-type automobile disc brake was patented by Frederick William Lanchester in his Birmingham, UK factory in 1902 and used successfully on Lanchester cars. Compared to drum brakes, disc brakes offer better stopping performance, because the disc is more readily cooled. As a consequence discs are less prone to brake fade; and disc brakes recover more quickly from immersion (wet brakes are less effective). Most drum brake designs have at least one leading shoe, which gives a servo-effect. By contrast, a disc brake has no self-servo effect and its braking force is always proportional to the pressure placed on the brake pad by the braking system via any brake servo, braking pedal or lever, this tends to give the driver better "feel" to avoid impending lockup. Drums are also prone to "bell mouthing", and trap worn lining material within the assembly, both causes of various braking problems.

The Chevrolet Traverse is a seven or eight seat, full-size crossover SUV built on the GM Lambda platform that underpins the GMC Acadia and Buick Enclave. It is a successor to both the Uplander and TrailBlazer. The Traverse was built in Spring Hill, Tennessee from its introduction until late 2009, when production was moved to the same Delta Township Assembly plant in Lansing, Michigan that produces the other Lambda-platform crossovers as a replacement for the Saturn Outlook because of GM phasing out the Saturn brand. However, Saturn Outlook production resumed for a short time during early 2010 at the same plant. The 2009 Chevrolet Traverse debuted at the 2008 Chicago Auto Show and arrived at every dealer in October 2008.

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