Segment:
Mid-size Luxury SUV
Key Competitors:
Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Nissan Pathfinder, Land Rover LR3/LR4, BMW X5, Mercedes-Benz M-Class
Platform:
WK platform, shared with Mercedes-Benz M-Class (W164) during the DaimlerChrysler era, contributing to improved build quality and engineering.
Capability:
Known for its strong off-road capability, particularly with the available Quadra-Drive II system, and comfortable on-road manners. Offers a premium interior for its class.
Systems Covered:
Engine, General Information, Drivetrain, Chassis, Lighting, Steering, Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical, Fuel System, Battery, Cooling System, Starting Systems, Charging System, Ignition System, Instrument Panel Systems, Audio Systems, Horn Systems, Speed Control System, Turn Signal and Hazard Warning Systems, Wiper and Washer Systems, Lamps, Passive Restraint Systems, Electrically Heated System, Power Distribution System, Vehicle Theft/Security Systems, Chime/Buzzer Warning Systems, Wiring Diagrams, Exhaust System, Frame and Bumpers, Transmission and Transfer Case, Tires and Wheels, Body, Heating and Air Conditioning, Emission Control Systems
Type:
Factory Service Manual (FSM) / Shop Repair Manual
Delivery Method:
Instant Download, no shipping cost or wait for physical media.
Estimated Pages:
This type of comprehensive FSM typically ranges from 1,500 to 3,000+ pages, covering all systems and models within the specified years.
Engine Systems:
Detailed diagnosis, repair procedures, and specifications for all engine variants including the 3.7L V6, 4.7L V8, and 5.7L HEMI V8. Covers lubrication, cooling, fuel delivery, ignition, emission controls, and engine mechanical components.
Drivetrain Systems:
Comprehensive coverage of the automatic transmission (e.g., W5A580, NAG1), transfer case (e.g., NV245, NV273), differentials (front and rear), and drive shafts. Includes repair procedures, fluid specifications, and torque values.
Chassis Systems:
Detailed information on suspension components (front independent, rear multi-link), steering system (power rack and pinion), brake system (ABS, EBD, rotor/pad replacement), and wheel/tire specifications.
Electrical Systems:
Extensive coverage of the electrical system including battery, starting, charging, ignition, lighting (headlights, taillights, interior), instrument panel, audio, horn, speed control, wipers/washers, power windows, locks, power distribution, security systems, and detailed wiring diagrams for all circuits.
Emission Control Systems:
Detailed procedures for diagnosis and repair of emission control systems, including catalytic converters, oxygen sensors, EGR systems (if applicable), and evaporative emission control (EVAP).
Maintenance:
Includes scheduled maintenance intervals, fluid checks and changes (engine oil, transmission fluid, differential fluid, brake fluid, coolant), filter replacements, and general lubrication procedures.
Repair And Diagnostics:
Covers step-by-step repair procedures for all major vehicle systems, including engine overhaul, transmission repair, suspension and steering component replacement, brake system overhaul, and electrical system troubleshooting. Diagnostic trouble codes (DTCs) and symptom-based diagnostics are included.
Technical Specifications:
Provides essential technical specifications such as torque values, fluid capacities, diagnostic parameters, component tolerances, and electrical data critical for accurate repair and maintenance.
Body And Interior:
Covers body panel repair, door mechanisms, glass replacement, interior trim, seating systems (power adjustments, heating), HVAC system service, and body electrical components.
Wiring Diagrams:
Provides detailed, specific wiring diagrams for all electrical circuits, aiding in the diagnosis and repair of complex electrical issues.
Troubleshooting:
Systematic troubleshooting guides based on symptoms and diagnostic trouble codes (DTCs) to efficiently identify and resolve faults.
Torque Specifications:
Extensive list of torque specifications for all fasteners, critical for proper assembly and component integrity.
Depth:
Dealer-level technical depth, covering everything from basic preventative maintenance and fluid checks to complex system diagnostics, component replacement, and complete overhauls. Includes detailed wiring diagrams and troubleshooting guides.
3.7L V6:
Engine Code: PowerTech. Displacement: 3.7 Liters (226 cu in). Horsepower: Approx. 210-215 hp. Torque: Approx. 235-240 lb-ft. Fuel System: Multi-point Fuel Injection.
4.7L V8:
Engine Code: Magnum. Displacement: 4.7 Liters (285 cu in). Horsepower: Approx. 230-255 hp. Torque: Approx. 300-325 lb-ft. Fuel System: Multi-point Fuel Injection.
5.7L Hemi V8:
Engine Code: EZH. Displacement: 5.7 Liters (345 cu in). Horsepower: Approx. 300-357 hp. Torque: Approx. 330-389 lb-ft. Fuel System: Multi-point Fuel Injection. Features Multi-Displacement System (MDS) for improved fuel economy.
Type:
Sequential Multi-Port Fuel Injection (MPI) across all engine variants.
Common Engine Codes:
3.7L: EKG, 4.7L: NHP, 5.7L HEMI: EZH, EZD (depending on model year and specific output)
Type:
5-Speed Automatic (e.g., W5A580 for V8s, 545RFE for V6s in some early models)
Type:
N/A (All were automatic for this generation)
Transfer Case:
Available with Quadra-Trac I (full-time 4WD), Quadra-Trac II (2-speed transfer case with electronic low range), and Quadra-Drive II (Quadra-Trac II with electronic limited-slip differentials front and rear).
545Rfe:
1st: 3.16, 2nd: 1.79, 3rd: 1.22, 4th: 1.00, 5th: 0.75, Rev: 2.18
W5A580 (Nag1):
1st: 4.38, 2nd: 2.86, 3rd: 1.44, 4th: 1.00, 5th: 0.74, Rev: 3.09
NHTSA Front Impact:
5-Star (Driver), 5-Star (Front Passenger)
NHTSA Side Impact:
5-Star (Driver), 5-Star (Rear Passenger)
IIHS Frontal Offset:
Good (for models equipped with side airbags)
Braking:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
Stability Control:
Electronic Stability Program (ESP) with Electronic Roll Mitigation (ERM)
Airbags:
Standard: Frontal airbags, available: Side curtain airbags for front and rear rows, front seat-mounted side airbags.
Oil Change:
Every 7,500 - 10,000 miles or 6-12 months, depending on driving conditions and oil type (synthetic recommended). Refer to manual for specific intervals based on oil quality and usage.
Transmission Fluid Change:
Recommended every 60,000 - 100,000 miles, or more frequently under severe use. Refer to manual for specific fluid type and procedure.
Engine Oil:
SAE 5W-20 or 5W-30 synthetic oil, API certified (e.g., Chrysler Material Standard MS-6395).
Coolant:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (MS-9769) or equivalent HOAT coolant.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Transmission Fluid:
ATF+4 (MS-9602) for 545RFE, or MB 236.10 specification for W5A580/NAG1 transmissions.
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent ATF+4 (MS-9602).
Differential Fluid:
API GL-5, SAE 75W-90 synthetic gear lubricant. Specific friction modifier may be required for LSD units.
Common Problems:
Examples include: transmission solenoid issues (NAG1), Electronic Throttle Control (ETC) warnings, potential for headliner sagging, water pump leaks, and certain electrical gremlins. Refer to the manual for specific troubleshooting.
Legacy:
Jeep has a long-standing reputation for off-road prowess and ruggedness, dating back to its military origins.
Wk Generation:
The WK generation (2005-2010) represented a significant step up in refinement and technology compared to its predecessor (WJ), incorporating Mercedes-Benz engineering and a more luxurious interior.
Predecessor:
Jeep Grand Cherokee WJ (1999-2004)
Successor:
Jeep Grand Cherokee WK2 (2011-2021)
Manufacturing Plant:
Jefferson North Assembly Plant, Detroit, Michigan, USA
