97 Jeep Grand Cherokee Body Service Manual
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Jeep Grand Cherokee Overview Manufacturer (1992-1998) (1998-2007) (2007-2009) (2009-2014) (2014-present) Production 1992–present 1993–present Body and chassis (1992–2010) (2011–present) 5-door Dimensions 2,915 mm (114.8 in) Length 4,822–4,846 mm (189.8–190.8 in) Width 1,943 mm (76.5 in) Height 1,749–1,781 mm (68.9–70.1 in) 4,996–5,509 lb (2,266–2,499 kg) Chronology Predecessor The Jeep Grand Cherokee is a range of produced by the American manufacturer. While some other SUVs were manufactured with construction, the Jeep Grand Cherokee has always used a chassis.
Contents. Development The Grand Cherokee's origins date back to 1983 when (AMC) was designing a successor to the smaller. Three outside (non-AMC) designers—, Alain Clenet, and —were also under contract with AMC to create and build a clay model of the Cherokee XJ replacement, then known as the 'XJC' project. However, the basic design for the Cherokee's replacement was well under way by AMC's in-house designers and the 1989 Jeep Concept 1 foretold the basic design. As AMC began development of the next Jeep in 1985, management created a business process that is now known as (PLM). According to, Vice President for Product Engineering and Development, the smallest U.S.
Automaker was looking for a way to speed up its product development process to compete better against its larger competitors. The XJC's development was aided by (CAD) software systems making the engineers more productive. Meanwhile, new communication systems allowed potential conflicts to be resolved faster, thus reducing costly engineering changes, because all drawings and documents were in a central database. The system was so effective that after purchased AMC in 1987, it expanded the system throughout its enterprise, thus connecting everyone involved in designing and building products. The Grand Cherokee thus became the first Chrysler-badged Jeep product. Development work for the new Jeep model continued and Chrysler's employees (after the 1987 buyout of AMC) were eager for a late-1980s release date; however, CEO was pushing for redesigned, thus delaying the Grand Cherokee's release until late-1992 as an competitor. Unlike the Explorer, the Grand Cherokee utilized (unibody) construction, whereas the Explorer was a derivative of the with a separate.
The Grand Cherokee debuted in grand fashion at the 1992 in. The vehicle that was driven was a Poppy Red Clear Coat 1993 Grand Cherokee ZJ Laredo with a quartz cloth interior and high-back. Then Chrysler president drove Detroit mayor, from the on North Jefferson Avenue via a to, up the steps of Cobo Hall and through a plate glass window to show off the new vehicle. Sales of the 1993 Grand Cherokee began in April 1992. Production of the Grand Cherokee started shortly afterward in the purpose-built in Detroit, Michigan. European Grand Cherokees are manufactured in Austria.
The Grand Cherokee 'played a significant part in reviving Chrysler's fortunes by moving it into the then nascent market for high-margin sports utility vehicles.' Upon its introduction, it was the first USA-manufactured automobile using HFC-134a refrigerant in place of HCFC-12 for the HVAC system. First generation (ZJ; 1993–1998). Second generation (WJ) 1999 - 2004 The redesigned WJ 1999 Grand Cherokee shared just 127 parts with its predecessor (mostly fasteners). The European model was coded WG. The spare tire was relocated from the side of the cargo compartment to under the floor.
(Like the 1998 ZJ, the rear tailgate glass opened separately.) The two heavy were replaced by Chrysler's then-new. The new V8 engine produced less than the old pushrods, but was lighter, offered better fuel economy, and provided similar on road performance figures (the 23-gallon fuel tank was replaced with one of a 20.5-gallon capacity). The was also updated in 1999. Physics laboratory manual loyd solutions. A redesign of the intake manifold added 10 horsepower (7.5 kW). While other Jeep vehicles used the Mopar 5 x 4.5 bolt circle, this was the first Jeep following the 1987 Chrysler buyout to receive a wider bolt pattern: – 5 x 5. A notable feature available in this generation was the automatic four wheel drive option called, which employed the NV247 transfer case.
This two-speed chain-driven transfer case uses a gerotor, a clutch pack coupled to a hydraulic pump, to transfer torque between the front and rear axles. The transfer case contains three modes, 4-All Time, Neutral, and 4-Lo. In 4-All Time, 100% of torque is sent to the rear axle in normal conditions.
If the rear axle starts spinning at a higher rate than the front axle, hydraulic pressure builds up in the gerotor and causes the clutch pack to progressively transfer torque to the front axle until both axles return to the same speed. Neutral mode is intended for towing the vehicle. In 4-Lo, the front and rear axles are locked together through a 2.72 reduction gear ratio. The NV247 transfer case is mated to front and rear axles containing Jeep's Vari-Lok differentials. Vari-Lok differentials also use a gerotor to transfer torque between the wheels on either side of the axle.
The major advantage of Quadra-Drive was that the combined transfer case and progressive locking differentials in each axle could automatically control traction between all four wheels. However, only the center differential could be permanently locked, and only in 4Lo. The system included the NV247 transfer case with the standard open front and rear differentials. The and in the WJ was notable. It included three sets rather than the two normally used in a four-speed automatic. This gave it six theoretical speeds, and it would have been the first six-speed transmission ever produced in volume, but it was programmed to only use five of these ratios.
97 Jeep Grand Cherokee Transmission
Four were used for upshifts, with a different second gear for downshifts. Although five of the six ratios were used, Chrysler decided to call it a '4-speed automatic'. In 2001, the programming was changed to make use of all six ratios. Rather than have six forward gears, the transmission was programmed to act as a five-speed with the alternate second gear for downshifts. The rpm at 70 miles per hour (110 km/h) on a 545RFE is 2000 rpm, 200 rpm less than the 45RFE programming.
1999 and 2000 model year WJ owners can have their 45RFE transmission's programming flashed to enable the extra gear as both transmissions are physically the same. (Must purchase new PCM and ABS module and program them with a fake VIN to make this work.) The 42RE 4-speed automatic remained the transmission for the Inline 6 engine. It had slight changes from the previous model Grand Cherokee. The interior was also completely redesigned in 1999. The redesign allowed for larger rear doors, and more space for rear passengers.
Controls for various items like headlights, heated seats, and rear wiper were moved to more convenient locations. The electronic Vehicle Information center was moved from below the radio to above the windshield, and was standard on all 2000 and up models. Limited models included automatic dual-zone climate control. A 10 CD-Changer was also available with the Infinity Audio package. In addition to Jeep's UniFrame construction, Daimler Chrysler partnered with Porsche to further strengthen the frame. This was done to reduce Noise Vibration Harshness (NVH).
UniFrame is an unusual construction scheme, it incorporates all of the strength and durability of a body-on-frame construction into a unitized construction. By adding stiffness and rigidity to the structure, they enhanced the ride and strengthened the network of steel beams, rails and pillars (or 'safety cage') that surround and protect occupants. More than 70 percent of the underbody is high-strength steel.
All Jeep Grand Cherokees feature UniFrame construction. The Grand Cherokee received a minor facelift for 2004 including round fog lamps, a lower front and a new body-color matched inset grille design. Export models produced at the plant in Graz, Austria, were given the vehicle designation of 'WG'. 4.7 Powertech engine Jeep WJ Engines Years Engine Displacement Power Torque Notes 1999–2002 3.1 L VM Motori 140 hp (104 kW) 271 lb⋅ft (367 N⋅m) Not Available in North America 1999–2004 (1999–2005 Outside North America) 4.0 L 242 CID 195 hp (145 kW) 230 lb⋅ft (312 N⋅m) 1999–2004 (1999–2005 Outside North America) 4.7 L 287 CID 235 hp (175 kW) 295 lb⋅ft (400 N⋅m) 2002–2005 2.7 L Mercedes Benz Diesel 163 hp (122 kW) 295 lb⋅ft (400 N⋅m) Not Available in North America 2002–2004 (2002–2005 Outside North America) 4.7 L H.O. 287 CID 265 hp (198 kW) 325 lb⋅ft (441 N⋅m) Third generation (WK; 2005–2010). 2005 Jeep Grand Cherokee (US) The WK Grand Cherokee debuted in 2004 for the 2005 model year at the 2004 with available four-wheel drive, rear-seat and optional 5.7 L Hemi V8. The 3.7 L replaced the 4.0 L.
A Mercedes Benz sourced 3.0 V6 Common Rail Diesel (CRD) was available outside of North America from launch. Jeep replaced the XJ-era live-axle with leading-arms front suspension (found in the ZJ and WJ) with an independent double-wishbone setup like that which debuted in the 2002. Classed as a truck-based SUV, the WH/WK Grand Cherokee offers 'crossover' refinement, capability and NVH. The 2007 Jeep Grand Cherokee made its European debut at the Euro Camp Jeep in, France. This Jeep has gained 5 stars in the Euro Ncap crash safety tests conducted in 2005. The Grand Cherokee received a minor facelift for 2008 with revised headlights and High Intensity Discharge (HID) Headlamps with auto leveling. The lower portion of the front bumper was still removable as it was from launch to increase the approach angle for off-road use.
The 4.7 L was refined, now producing 305 hp (227 kW; 309 PS), and 334 lb⋅ft (453 N⋅m). The 2009 Jeep Grand Cherokee is available with an improved 5.7 L rated at 357 hp (266 kW; 362 PS) and 389 lb⋅ft (527 N⋅m) of torque. The engine uses to increase fuel economy. 2012 Jeep Grand Cherokee Overland The fourth-generation WK2 Grand Cherokee went on sale in summer 2010 as a 2011 model. It was unveiled at the 2009 New York Auto Show. In 2009, during its development, Chrysler management used it as an example of future products to convince United States federal regulators of Chrysler's future viability for the purpose of requesting a federal loan. This culminated in the that same year.
The fourth-generation Grand Cherokee retains its classic Jeep styling combined with a modern and sleek body style. The interior features leather trim and real wood accents, plus Bluetooth and uConnect electronics options. With the additional awards for the 2011 Grand Cherokee, the Jeep Grand Cherokee has won 30 awards for off-road capability, luxury, value, best-in-class, and safety, making it the most awarded SUV ever. Among the awards are: Top Safety Pick for 2011 from the, listed as a Best Buy for 2011, Safest SUV in America by Autos, and Truck of the Year for 2011. Like previous generations, the WK2 Grand Cherokee chassis is a steel.
Unlike previous generations, it features four-wheel for better on-road handling. The WK2 and 2011 Durango use a Chrysler designed and engineered platform/chassis that Mercedes-Benz later used for the series. The Chrysler designed platform was part of the DaimerChrysler engineering projects that were to launch the WK2 Grand Cherokee with the Mercedes-Benz ML to follow.
However, due to the subsequent sale and bankruptcy of Chrysler, the Grand Cherokee launch was delayed and the ML launched before the Grand Cherokee. Four wheel drive systems include, and. Using, the driver can select modes for Auto, Sport, Snow, Sand/Mud, and Rock. Optional Quadra-Lift can raise the vehicle's ground clearance up to 11.1 in (282 mm). Lift modes include Park, Aero, Normal Ride Height, Off-Road 1, and Off-Road 2.
Engine choices include the all new 3.6 L V6 and 5.7 L Hemi V8. The Hemi V8 retains the Multiple Displacement System (MDS) that shuts down four cylinders in low-power driving situations. The V8 comes with the multi-speed automatic transmission that includes Electronic Range Selection (ERS) to manually limit the high gear operating range.
Trailer towing is rated 7,400 lb (3,400 kg) for Hemi models and 6,800 lb (3,100 kg) for Pentastar models. A 3.0 L turbocharged diesel V6 developed and built by and (with injection ) rated at 177 kW (241 PS; 237 hp) and 550 N⋅m (410 lb⋅ft) of torque offered in export markets from mid-2011. The new 3.0 L CRD turbodiesel engine is available in European markets as 140 kW (190 PS; 188 hp) low-power version.
The new Grand Cherokee, which started production on July 16, 2011, is equipped with a 470 hp (350 kW; 480 PS) 6.4 L V8 engine. Jeep claims the new SRT8 gets 13 percent better fuel economy than its predecessor. To keep the gas mileage respectableJeep has employed a new active exhaust system that lets Chrysler's cylinder-deactivating Fuel Saver Technology operate over a wider rpm band. Chrysler claims that with the larger gas tank, the SUV can now travel up to 500 miles (800 km) on a single tank, while other sources estimate range to be 450 miles (720 km). The Jeep Grand Cherokee was released in India on 30 August 2016. Alongside the Wrangler, the Grand Cherokee was the first model to be sold directly by Jeep in the country. Jeeps have been built under licence by in since the 1960s.
Recalls In 2010, the (NHTSA) launched an investigation into 1993–2004 model year Jeep Grand Cherokees which involves the fuel tanks of these SUVs. Because the gas tanks are mounted between the bumper and rear axle, a rear collision could cause the fuel tank to leak, causing a fire. The NHTSA claims that it has reports of 157 deaths resulting from fires caused by Grand Cherokees crashing. Also affected are 2002–2007 models and 1986–2001 models, which totals about 5.1 million affected vehicles.
In June, 2013, responded to the recall, agreeing to recall 2.7 million, though eliminating both the 1986–2001 and 1999–2004 Grand Cherokee WJ from the recall. The recall will include 2.7 million 1993–1998 Grand Cherokee ZJ and 2002–2007 KJ vehicles. Two weeks prior to this recall, claimed that the affected vehicles were safe, though agreed to recall the affected vehicles later. To remedy the problem, will install a onto the rear of vehicles that will protect the if the vehicle is involved in a rear impact. If an affected vehicle is not currently equipped with a, one will be installed onto it, and older and non-factory will be replaced with one from.
Despite the recall, the market for these vehicles has not suffered. In May 2013 there was a recall of WKs with the Quadra-Drive II and Quadra-Trac II systems.
This followed cases of cars rolling away due the transfer case moving into neutral of its own accord, and the owner not having applied the parking brake. The recall revised the Final Drive Control Module (FDCM) software. However, following the recall there were widespread reports on enthusiast web sites of both the neutral and low ratio modes of the transfer case ceasing to function, and a survey showed that fewer than 10% of respondents had experienced no issues with the recall. Attempting to resolve these issues, some dealers subsequently replaced the transfer case actuator, FDCM, and even the transfer case itself, often at customer expense and usually to no avail. The cause of the roll-aways was faulty soldering in the transfer case actuator.
It has been deduced that the revised software detects this by noting any deviation in resistance, and thereupon locks the transfer case in high ratio for safety; but that it is over-reacting to minor resistance variations from other causes. Originally Chrysler dealers claimed that the loss of neutral and low ratio following the recall was co-incidence; then it claimed that the revised software was revealing pre-existing faults in the system, despite it occurring even with new parts. Chrysler have also claimed that only a small fraction of cars have issues following the recall; but most users never have occasion to use the low ratio and may never discover the fault. Four years after this recall its issues remain unresolved. In April 2016, the (NHTSA) ordered a recall of 2014 and 2015 Jeep Grand Cherokees and other cars that use an electronic gear shifter because it sometimes does not go into (or does not remain in) the park position, despite the operator's best intentions. Consumers reported that they put the car in park and left the engine running, and then were surprised when the car rolled away under power.
An investigation by FCA US and the National Highway Traffic Safety Administration found some drivers have exited their vehicles without first selecting “PARK.” Such behavior may pose a safety risk if a vehicle’s engine is still running. The Company is aware of 41 injuries that are potentially related. The vehicles involved in these events were inspected and no evidence of equipment failure was found. The vehicles also deliver warning chimes and alert messages if their driver-side doors are opened while their engines are still running and “PARK” is not engaged.
However, investigation suggested these measures may be insufficient to deter some drivers from exiting their vehicles without selecting “PARK,” so FCA US will enhance the warnings and transmission-shift strategy on these vehicles. The enhancements will combine warnings with a transmission-shift strategy to automatically prevent a vehicle from moving, under certain circumstances, even if the driver fails to select “PARK.” Jeep has now replaced the shifter with a conventional lever which stays in position for late 2016 models.
In July 2017, 2012-14 Jeep Grand Cherokee SUVs were recalled due to possible alternator failure. If the alternator fails, the vehicle may stall and/or if the alternator has a short circuit, a fire may occur.
In October 2017, 2011-14 model year Grand Cherokees were recalled due to improperly installed brake shields in some vehicles. See also., the similarly named 1974–83 predecessor.
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