Jeep Cherokee (XJ)
Jeep Cherokeefor other models using this name"Infobox Automobile
name=Jeep Cherokee (XJ)
American Motors(AMC) Chrysler Corporation DaimlerChrysler
Toledo, Ohioflagicon|USA Beijing, China flagicon|China
rear-wheel drive/ Four-wheel drive
engine=nowrap|2.5 L (150 CID) "AMC 150" I4
nowrap|2.8 L GM 60° "LR2"
nowrap|4.0 L (242 CID) "AMC 242"
4.0 L (242 CID) "AMC 242" H.O.
nowrap|4.0 L (242 CID) "242 Power Tech"
VM Motori dieselI4
5-speed NVG "NV3550" manual
3-speed "30RH" automatic
width=1987-1993: Auto in|70.5|0
1994-96: Auto in|67.7|0
1997-99: Auto in|67.9|0
2000-01: Auto in|69.4|0
length=1987-1990: Auto in|165.3|0
1991-93: Auto in|168.8|0
1994-96: Auto in|166.9|0
1997-2001: Auto in|167.5|0
height=1987-88 2WD: Auto in|63.4|0
1987-1993: Auto in|63.3|0
1994-99 2WD: Auto in|63.9|0
1994-2001 4WD: Auto in|64.0|0
2000-01 2WD: Auto in|63.8|0
weight=auto lb|3057 (approx.)
JeepCherokee (XJ) was a monocoque(unibody) compact SUV. It shared the name of the original full-size SJ model, but having no true pickup truck heritage, it actually set the stage for the modern SUV. Its innovative appearance and sales popularity spawned important imitators as other automakers began to notice that this model began replacing regular cars. [Bradsher, Keith. High and Mighty: SUVs - the World's Most Dangerous Vehicles and How They Got That Way. PublicAffairs, 2002, ISBN: 978-1586481230. Page 41.] It was built in Toledo, Ohioin the United Statesand in Beijing, China. The XJ platform provided the mechanical basis for the MJ-series Jeep Comanchepick-up.
The XJ was selected by Robert Cumberford as one of the 20 greatest cars of all time, calling it "possibly the best SUV shape of all time, it is the paradigmatic model to which other designers have since aspired." [ [http://www.automobilemag.com/features/news/20_greatest_cars/0604_jeep_cherokee/ Robert Cumberford, "20 greatest cars" Automobile Magazine ] "Great designs never grow old, a truth no better confirmed than by designer Dick Teague's masterpiece, the Jeep Cherokee. Possibly the best SUV shape of all time, it is the paradigmatic model to which other designers have since aspired." Retrieved on:
March 12 2008.]
The XJ Cherokee was introduced in 1984 as the first
unibodyJeep. Designs of the XJ Cherokee date back to 1978 when a team of American Motors(AMC) and Renaultengineers drew several sketches. A few clay models were based on the existing SJ Cherokee. Early sketches of the XJ Cherokee had an European influence, and most of the styling cues were done by AMC engineers. The ongoing debate suggests that Renaultsketch artists were involved right after the 1979 partnership with AMC.fact|date=March 2008 Noticing that General Motorswas developing a new two-door S-10 based Blazer, AMC decided to design an entirely new four-door model, but worried about rollovers Gerald C. Meyershired one of Ford's best engineers, Roy Lunnto design what is known as the Quadra-Link suspension. [Bradsher, Keith. High and Mighty: SUVs - the World's Most Dangerous Vehicles and How They Got That Way. PublicAffairs, 2002, ISBN: 978-1586481230. Page 36.] François Castaingdeveloped the drivetrain using a much smaller engine than normally found in 4WD vehicles and reduced the weight of the new model, [Bradsher, Keith. High and Mighty: SUVs - the World's Most Dangerous Vehicles and How They Got That Way. PublicAffairs, 2002, ISBN: 978-1586481230. Page 37.]
Both two- and four-door versions of the XJ Cherokee were offered throughout its lifetime, each having exactly the same track and wheelbase measurements. Two-door models, however, received longer doors and front seats that could fold forward to assist in rear passenger entry and exit. This was in addition to extended-length rear windows that did not open, although an optional rear vent window was available on some models. Its appearance has led some to mistakenly believe that the two-door models are a short wheelbase version of the four-door.
A variation on the Cherokee from 1984 through 1990 was the
Jeep Wagoneer. It was sold in two trim levels: the Wagoneer and the Wagoneer Limited. Both Wagoneers were distinguished from the Cherokee by the four headlights. The Wagoneer Limited came with vinyl wood trim on the sides.
This version was the first to be sold in
Europe; it was launched in 1992 in some markets, 1993 for the United Kingdom. Early versions had the 4.0 L (242 CID) six-cylinder engine only: the 2.5 L (150 CID) engine did not arrive in Europe until 1995.
American Motors's compact XJ Cherokee was to be replaced by a new and larger model known as the XJC (later named the
Jeep Grand Cherokeewhen introduced in 1993) that was under development by AMC. [Citation | last = Rothenberg | first = Al | title = Design Debate - Who's the father of the Jeep Grand Cherokee? | journal = Ward's AutoWorld | date = March 1, 1998| url = http://wardsautoworld.com/ar/auto_design_debate_whos/index.html | accessdate = 2008-05-18.] However, the smaller model's continuing popularity caused Chrysler executives, as the new owners of AMC, to rethink this decision. The Jeep XJ has remained a popular choice by off-roading enthusiasts due to its potent off-roading capability in stock form. Its popularity has resulted in strong ongoing aftermarket support in the form of a wide variety of products and upgrade availability.
* 1984-1996 2.5 L "AMC 150" I4, Convert|105|hp|kW|0|abbr=on – Convert|130|hp|kW|0|abbr=on
* 1984-1986 2.8 L GM 60° "LR2"
* 1985-1987 2.1 L
Renaultturbo dieselI4 (initially sold in U.S. and until 1993 in Europe)
* 1987-1990 4.0 L "AMC 242"
I6, Convert|173-177|hp|kW|0|abbr=on with Renixfuel injection system
* 1991-1996 4.0 L "AMC 242" "High Output"
I6, Convert|190|hp|kW|0|abbr=on with Chrysler fuel injection system
* 1994-1996 2.5 L
VM Motori turbo dieselI4 (sold in Europe and South America)
After 13 years of production, 1997 saw the Cherokee receive updated exterior and interior styling. Both the two- and four-door bodies remained in production, receiving a steel tailgate (replacing the fiberglass one used previously),a new taillight design, additional plastic molding along the doors, as well as a new front header panel that featured more aerodynamic styling; the interior was similarly updated with an all-new design and instruments, and a stiffer unibody frame brought improvements to
Noise, Vibration, and Harshnessmeasurements. In the middle of the 1999 model year, vehicles with the 4.0 liter engine received a much improved intake manifold. This was done to help counteract smaller exhaust porting on the latest casting of cylinder heads, which was done to meet more stringent emissions control laws. Both the 4- and 6-cylinder engines were offered through the 2000 model year, though only the straight-six was available in 2001. For the 2000 and 2001 model years, all six-cylinder XJs received a distributorless ignition system using coil-on-plug ignition replacing the 'traditional' system previously used; coupled with better exhaust porting and the newer intake manifolds, this gave a minor increase in power over the previous models. Transmission, axle, and transfer case choices were carried over from the previous models.
However, major changes were underway with a new executive, Wolfgang Bernhard, who was "known as a cost-slasher"
nicknamed "whirlwind", came from Mercedes-Benz to turn around Chrysler. [Ostle, Dorothee. "New COO is known as a problem solver" Automotive News, November 27, 2000.] [ [http://www.autoobserver.com/2007/07/new-chrysler-wolfgang-bernhard-reportedly-to-return.html Krebs, Michelle. "New Chrysler: Wolfgang Bernhard Reportedly to Return" Edmunds Auto Obserbver, July 30, 2007] , retrieved on August 9, 2008.] "One of the first moves Bernhard made when he came to Chrysler in 2000 was to help kill the Jeep Cherokee, an aging somewhat bland SUV." [ [http://www.businessweek.com/the_thread/brandnewday/archives/2007/05/chryslers_new_o.html Kiley, David. "Chrysler's New Owner Has Serious Marketing Work To Do" Business Week magazine, May 23, 2008] , retrieved on August 9, 2008.] Thus, the (XJ) Cherokee line was replaced in 2002 by the Jeep Liberty(KJ) , although it is called the "Cherokee" in most foreign markets.
When (XJ) Cherokee production ended in mid 2001, the portion of the Toledo South Assembly Plant devoted to its production was slowly torn down.
* 1997-2000 2.5 L "AMC 150" I4, Convert|130|hp|kW|0|abbr=on
* 1997-2001 2.5 L
VM Motoriturbo dieselI4 (sold in Europe, Australia and South America)
* 1997-1999 4.0 L "242 Power Tech"
* 2000-2001 4.0 L "242 Power Tech"
*"Base" - 1984-1993
*"SE" - 1994-2000
*"Wagoneer" - 1984-1990
*"Briarwood" - 1991-1992
*"Pioneer" - 1984-1990
*"Pioneer Olympic Edition - 1988
*"Chief" - 1984-1990
*"Sport" - 1988-2001
*"Country" - 1993-1997
*"Classic" - 1996, 1998-2001
*"Limited" - 1987-1992, 1998-2001
*"Laredo" - 1985-1992
*"Freedom" - 2000
*"60th Anniversary" - 2001
Available driveline components
*1984 – 1987 : Aisin-Warner "AX4" 4-speed manual, used with 2.5 L I4 only.
*1984-only : Borg-Warner "T-4" 4-speed manual, used with 2.5 L I4 only.
*1984-only : Borg-Warner T-5 5-speed manual, used with 2.5 L I4 and 2.8 L V6.
*1987 – Mid-1989 : Peugeot "BA-10/5" 5-speed manual used with 4.0 L I6.
*1984 – 2000 : Aisin-Warner "AX5" 5-speed manual, used with 2.5 L I4, 2.1 L I4 diesel, and 2.8 L V6.
*Late-1989 – 1999 : Aisin-Warner "AX15" 5-speed manual, used with 4.0 L I6.
*2000 – 2001 : New Venture Gear "NV3550" 5-speed manual, used with 4.0 L I6.
*1984 – 1986 : Chrysler "A904" 3-speed automatic, used with 2.5 L I4 and 2.8 L V6.
*1994 – 2000 : Chrysler "30RH" 3-speed automatic, used with 2.5 L I4.
*1987 – 2001 : Aisin-Warner "AW-4" 4-speed automatic used with 2.5 L I4 and 4.0 L I6.
transfer cases used on the Cherokee were chain driven with aluminum housings. Command-Trac was standard on XJ models built with 4WD.
*1984 – 1987 : New Process "NP207" "Command-Trac", part-time only, 2.61:1 ratio with low range
*1987 – 2001 : New Process "NP231" "Command-Trac", part-time only, 2.72:1 ratio with low range
*1987 – 2001 : New Process "NP242" "Selec-Trac", full-time/part-time, 2.72:1 ratio with low range
The Jeep XJ utilizes front and rear solid (live) axles as opposed to independent front and/or rear axles. This configuration allows the XJ to have superior off-road capability and performance at the expense of some on-road comfort and drivability.
*1984 – 1996 : Dana 30, High Pinion, Reverse Cut, 27-spline axleshafts (1989 – 1995 : with ABS used 5-297x universal joints, non-ABS had 5-260x universal joints. Note: Certain XJ models were produced with
constant-velocity joints instead of universal joints.)
*1996 – 1999 : Dana 30, High Pinion, Reverse Cut, 297x/760 universal Joint, 27-spline axleshafts.
*2000 – 2001 : Dana 30, Low Pinion, Standard Cut, 297x/760 universal Joint, 27-spline axleshafts.
*1984 – 1989 : Dana 35, non c-clip, with
anti-lock braking system(ABS) or non-ABS.
*1990 – 1996 : Dana 35, c-clip, ABS or non-ABS.
*1997 – 2001 : Dana 35, c-clip, ABS.
*1991 – 1996 : Chrysler 8.25", c-clip, non-ABS, 27-spline axleshafts.
*1997 – 2001 : Chrysler 8.25", c-clip, non-ABS, 29-spline axleshafts.
*1987 – 1990 : Dana 44, non-abs, 30-spline axleshafts.
Axle Gear Ratios
Jeep XJs came in several standard gearing ratios:
*3.07:1, manual transmission, I6 engine.
*3.54:1, automatic transmission, I6 engine with Dana 44 rear differential.
*3.54:1, manual transmission, I4 diesel engine with Dana 35 rear differential.
*3.55:1, automatic transmission, I6, V6 engines;
manual transmission, I4 engine.
*3.73:1, automatic transmission, I6, Tow Package, UpCountry Package.
*4.10:1, manual transmission, V6
automatic transmission, I4 engine.
*4.56:1, automatic transmission, I4, offroad or tow package.
Note: Dana 44 rear ends came with manual transmissions with the towing packages in 1987.
The Jeep XJ utilizes a coil spring front suspension with a leaf spring rear suspension.
The Jeep XJ utilizes the Quadra-Link front suspension. This suspension design locates the axle with four control arms to control up and down movement, two above the axle and two below it. A
panhard rod, also referred to as a track bar, is used to locate the axle central to the vehicle. Two coil springs are seated on top of the axle housing as well as two gas-charged shock absorbers. A sway baris utilized to reduce body roll in turns.
The XJ uses a leaf spring rear suspension. Each leaf pack contains four leaf springs with a fixed eye at the front of the spring and a shackle at the rear of the spring. Two gas-charged shock absorbers are also used, along with a mild anti-sway/anti-roll bar. The suspension used on vehicles with the optional UpCountry Package did not employ the rear anti-sway/anti-roll bar and provided one inch of lift over the standard suspension.
XJ in Europe
vanversion of the XJ was offered in addition to the standard vehicles in some European markets. Available in both right- and left-hand-drive models, they were designed to comply with relaxed motor tax regulations in some EU member states governing vehicles intended for primarily commercial use. Both two- and four-door versions are known to have been sold, with the main differences from the standard models being metal panels in place of the rear side windows, no rear seats, and a completely flat cargo area. Two- and four-wheel-drivevariants were available, powered by the VM Motori2.5-litre dieselengine mated to the Aisin AX-5 manual transmission. Photographs of this model can be found [http://www.supermotors.net/vehicles/registry/7625/53419 here] .
The XJ was sold in
Europefrom 1985 until 2001 (1993-2001 for some markets).
XJ in China
American Motors established the first automobile manufacturing
joint venturein the People's Republic of Chinato assemble the four-door Cherokee [Mann, Jim. (1997). Beijing Jeep: A Case Study of Western Business in China. Westview Press. ISBN 0-8133-3327-X.] . Production continued after Chrysler's buyoutof AMC. Chrysler executives were concerned over licit and illicit technology transfers when knock-offs of the Cherokee began appearing in the Chinese market. [ [http://archive.newsmax.com/archives/articles/2004/9/14/92755.shtml Smith, Charles R. China's Economic War - Stealing Jobs and Technology From America" Newsmax, September 14, 2004] retrieved on March 28 2008.] Production under Mercedes-Benz continued in the partnership that was renamed Beijing-Benz DaimlerChrysler Automotive. The most recent model with an updated grille, headlights, and other upgrades is known as the "Jeep 2500" that was produced through 2006. [ [http://www.businessweek.com/globalbiz/content/nov2007/gb2007112_737100.htm Dunne, Timothy. "Can Chrysler Rebound in China?" Business Week, November 2, 2007] . Retrieved on January 22 2008.] It is notable that AMC's original Cherokee design continued to sell virtually unchanged after over twenty years.
* [http://www.Teamcherokee.com/ Team Cherokee Parts and accessories]
* [http://www.naxja.org/ North American XJ Association]
* [http://oldcherokeewisdom.blogspot.com/ Jeep Cherokee blog]
* [http://www.xjjeeps.com/ Jeep Cherokee Parts Catalogs an specs]
* [http://www.lunghd.com/Downloads_and_Links/Downloads.htm Jeep Cherokee Service Bulletins and other downloadable files]
* [http://www.xjcruiser.com/ XJ Cruiser - Project Writeups and How-to]
* [http://www.jeepxj.com/ JeepXJ.com]
* [http://www.cherokeetalk.com/ CherokeeTalk]
* [http://www.naxja.org/ North American XJ Association]
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