Jeep Grand Cherokee WK 2WD 4WD With 3.7L 4.7L 5.7L & 3.0L CRD Diesel Engine 2005-2008 Service Repair Workshop Manual
Codes
Year Range:
2005-2008
Drivetrain Options:
2WD, 4WD
Engine Codes:
3.7L V6, 4.7L V8, 5.7L V8 HEMI, 3.0L CRD Diesel
👋 Introduction
Market Position
Segment:
Mid-size/Full-size Luxury SUV
Target Audience:
Families, off-road enthusiasts, towing users, general SUV buyers seeking comfort and capability.
Competitive Analysis
Key Competitors 2005-2008:
Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Nissan Pathfinder, Land Rover LR3/Discovery.
Key Features
Platform Basis:
WK platform, shared with Mercedes-Benz M-Class (W164) and R-Class during DaimlerChrysler era, offering robust construction and refined ride.
Engine Options:
Versatile engine lineup including efficient V6, strong V8, powerful HEMI V8, and torquey CRD diesel, catering to diverse performance and economy needs.
Capability:
Renowned Jeep off-road capability (especially with 4WD systems like Quadra-Trac II and Quadra-Drive II), strong towing capacity, comfortable on-road manners.
Interior:
Spacious and comfortable interior, offering premium materials and available luxury features, a significant upgrade from previous generations.
📋 Manual Details
Coverage Areas
Regions Covered:
Global (applicable to WK models with specified engines and drivetrains)
Page Count
Estimated Page Count:
Extensive (typically 2000+ pages for a complete factory service manual covering these configurations)
Manual Type
Type:
Factory Service Manual / Workshop Manual / Repair Manual
Ignition system, fuel injection system (MPI), turbocharger (for CRD diesel), engine control module (ECM) diagnostics, troubleshooting.
Transmission:
Automatic transmission (e.g., W5A580 for V8, NAG1 for CRD, 45RFE/545RFE for 3.7/4.7), manual transmission (if applicable), transfer case operation and repair, drive shafts, differentials, axle assemblies, gearbox and driveline components.
Front and rear suspension (independent front suspension, multi-link rear), springs, shock absorbers, control arms, ball joints, bushings, power steering system, steering rack, tie rods, wheel alignment specifications.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting (headlights, taillights, interior), fuses, relays, wiring diagrams, multiplexed systems, body control module (BCM), power distribution.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, refrigerant recharge, compressor, condenser, evaporator, blower motor, climate control module, ducting.
Available Quadra-Trac I, Quadra-Trac II (with low-range), and Quadra-Drive II (with electronic limited-slip differentials) for enhanced off-road capability and traction.
📐 Dimensions
Exterior
Wheelbase:
Approx. 116.1 inches (2950 mm)
Length:
Approx. 189.8 inches (4820 mm)
Width:
Approx. 74.9 inches (1903 mm)
Height:
Approx. 69.4 inches (1763 mm)
Interior
Passenger Volume:
Approx. 105.4 cu ft (2984 L)
Cargo
Cargo Volume Behind 2Nd Row:
Approx. 32.5 cu ft (920 L)
Cargo Volume Max:
Approx. 77.0 cu ft (2180 L)
Weights
Curb Weight Range:
Approx. 4,500 - 5,000 lbs (2041 - 2268 kg), varies by engine and drivetrain
Towing Capacity:
Up to 7,400 lbs (3357 kg) with proper equipment and engine configuration (typically 5.7L HEMI or 3.0L CRD)
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
5 Stars (for 2006-2007 models)
NHTSA Front Impact Passenger:
5 Stars (for 2006-2007 models)
NHTSA Side Impact Front Seat:
5 Stars (for 2006-2007 models)
NHTSA Side Impact Rear Seat:
5 Stars (for 2006-2007 models)
IIHS Frontal Offset:
Good (for 2006-2007 models)
IIHS Side Impact:
Good (for 2006-2007 models)
Active Features
Active Safety Features:
Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Program (ESP), Hill Descent Control (HDC) on select models.
Passive Features
Passive Safety Features:
Advanced multi-stage front airbags, front side-impact airbags, available full-length side-curtain airbags, active head restraints, front and rear crumple zones.
💡 Technology Features
Infotainment
Infotainment Options:
Available premium audio systems (e.g., Boston Acoustics, Harman Kardon), Uconnect infotainment system with GPS navigation, satellite radio, auxiliary input jack.
Bluetooth streaming and hands-free calling (with Uconnect), remote start, power liftgate (optional).
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 6,000 miles (9,600 km) or 6 months (whichever comes first) for gasoline engines, using synthetic blend oil. Diesel may differ slightly, consult manual.
Air Filter Replacement:
Every 15,000 miles (24,000 km) or as needed based on driving conditions.
Transmission Fluid Service:
Every 30,000-60,000 miles (48,000-96,000 km), depending on driving conditions (e.g., towing). Specific fluid type is critical.
Coolant Flush:
Every 30,000-100,000 miles (48,000-160,000 km) or 5 years, depending on coolant type. Check manual for specific type and interval.
Fluid Specifications
Engine Oil Gasoline:
SAE 5W-20 or 5W-30 synthetic blend (check owner's manual for specific engine and temperature range requirements).
Engine Oil Diesel:
API CJ-4 or CK-4 specification, SAE 5W-40 or 15W-40 diesel engine oil (check owner's manual for precise specification).
Transmission Fluid:
ATF+4 (MS-9602) for gasoline engines. MB Spec 236.10 or equivalent for the W5A580 (5.7L HEMI and 3.0L CRD). CRD requires specific MB-spec fluid.
Coolant:
Mopar HOAT (Hybrid Organic Acid Technology) antifreeze, typically purple or pink. Check manual for specific type.
Known Issues
Common Problems 3.7L V6:
Valve spring issues, occasional head gasket leaks, spark plug ejection (early models), camshaft/lifter noise.
Common Problems 4.7L V8:
Head gasket failures (especially early designs), valve stem seal wear, occasional transmission issues (e.g., torque converter clutch).
Front suspension wear (ball joints, control arm bushings), power steering pump noise/leaks, HVAC blower motor failures, electronic module issues (e.g., TIPM), water intrusion in cabin (rear hatch seals).
📚 Vehicle History
Brand Heritage
Jeep Legacy:
Jeep's long history of rugged, capable off-road vehicles, established in 1941.
Model Evolution
Grand Cherokee Wk Generation:
The WK generation (2005-2010) marked a significant shift towards a more car-like unibody construction (based on the Mercedes-Benz W164 platform), improving on-road comfort and refinement while retaining Jeep's signature capability. It replaced the WJ generation.
Engines Wk Generation:
The introduction of the 5.7L HEMI and the Mercedes-sourced 3.0L CRD diesel engines expanded the Grand Cherokee's appeal and performance envelope.
Production
Production Period:
2005-2008 (for this specific manual coverage)
Manufacturing Locations:
Primarily assembled in Jefferson North Assembly Plant, Detroit, Michigan, USA.
🏆 Awards & Recognition
Recognitions
Kbb Best Full Size SUV:
Kelley Blue Book's Best Full-Size SUV for 2005.
Wards 10 Best Engines:
The 5.7L HEMI V8 was recognized by Ward's AutoWorld as one of its '10 Best Engines' in 2005.
Ratings
Towing Award:
Consistently praised for its towing capability relative to its class.
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