Positioning:
The Jeep Grand Cherokee WK (2005-2010) represented Jeep's entry into a more upscale and sophisticated SUV segment while retaining its renowned off-road capabilities. This manual caters to owners and independent repair facilities looking for in-depth technical information to maintain and repair these vehicles.
Competitors:
Competed with vehicles like the Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Nissan Pathfinder, and Land Rover LR3 during its production run.
Features:
Offered a range of powerful engines, advanced four-wheel-drive systems (Quadra-Trac II, Quadra-Drive II), and a more luxurious interior compared to previous generations. The SRT-8 variant provided high-performance capabilities.
Years Covered:
2005, 2006, 2007, 2008, 2009, 2010
Trim Levels Covered:
All trim levels including Laredo, Limited, Overland, SRT-8 (and any regional variants thereof)
Type:
Workshop Service Manual / Repair Manual
Powertrain:
Engine mechanical (all variants), fuel system, cooling system, lubrication system, ignition system, exhaust system, engine control systems (PCM/ECM), automatic transmission (e.g., W5A580, 545RFE), manual transmission (if applicable), transfer case (e.g., NV245, NV247, NV245 with Selec-Trac/Quadra-Trac), driveline (front and rear axles, CV joints, driveshafts).
Chassis:
Suspension (front and rear independent, Quadra-Coil, air suspension variants), steering system (hydraulic power steering), braking system (ABS, ESP, brake hydraulics, parking brake), wheels and tires.
Electrical:
Battery, charging system, starting system, lighting (headlights, taillights, interior), instruments and gauges, body control module (BCM), power windows, power locks, mirrors, sunroof, wipers and washers, horn, trailer towing electrical interfaces, audio systems, navigation systems, climate control systems (HVAC), airbags (SRS), anti-theft system (Sentry Key), tire pressure monitoring system (TPMS).
Body:
Exterior body panels, interior trim, seats, doors, windows, roof, bumpers, body sealing, underbody.
Maintenance:
Scheduled maintenance intervals, fluid checks and changes (engine oil, transmission fluid, coolant, brake fluid, power steering fluid, differential fluid), filter replacements (oil, air, fuel, cabin), spark plug replacement, belt inspections and replacement, battery maintenance, tire rotation and pressure checks.
Repair Diagnostics:
Step-by-step repair procedures for all major systems, diagnostic trouble code (DTC) interpretation, troubleshooting guides, component testing, electrical circuit diagnostics, wiring diagrams, special tool requirements, torque specifications, alignment procedures, clutch replacement (if applicable), engine overhauls, transmission rebuilds, suspension component replacement, brake component replacement, body panel repair and replacement.
Depth:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds. Includes detailed diagnostic procedures, component specifications, and exploded views for accurate identification and disassembly/assembly.
Engine Options:
3.7L V6 'PowerTech' (e.g., EKG), 4.7L V8 'PowerTech' (e.g., EVA), 5.7L V8 HEMI 'Magnum' (e.g., EZB), 6.1L V8 HEMI SRT-8 (e.g., 8HP70).
Horsepower:
Approx. 210 hp @ 5200 rpm
Torque:
Approx. 235 lb-ft @ 4000 rpm
Horsepower:
Approx. 230-235 hp @ 4500 rpm
Torque:
Approx. 300-305 lb-ft @ 3200 rpm
Horsepower:
Approx. 305-330 hp @ 5000-5200 rpm
Torque:
Approx. 335-375 lb-ft @ 4000-4400 rpm
Performance 6.1L Hemi Srt8 V8
Horsepower:
Approx. 420-426 hp @ 6000-6200 rpm
Torque:
Approx. 420-425 lb-ft @ 4800-5000 rpm
Type:
Multi-point fuel injection (MPI) for all engines. Multi-displacement system (MDS) on 5.7L HEMI.
Type:
Distributorless ignition system (DIS) with coil-on-plug (COP) ignition for most variants, or individual coil packs.
Type:
Pressurized liquid cooling system. Capacity varies by engine, typically around 10-13 quarts.
Type:
Wet sump lubrication. Oil capacity varies by engine, typically 5-7 quarts.
Type:
5-speed automatic transmission (e.g., 545RFE) was standard on most models. 5-speed automatic (e.g., W5A580 Mercedes-Benz derived) was used on some HEMI and diesel variants.
Type:
No manual transmission option offered for this generation in North America. Performance models like SRT-8 used specific heavy-duty automatics.
Features:
Electronic range selection, Tow/Haul mode, Selectable 4WD (on some systems), electronic control modules for transmission operation.
Fluid Type:
ATF+4 (Chrysler Material Standard MS-9602) for most automatic transmissions. Refer to manual for specific transmission fluid types.
Length:
Approx. 189.9 inches (4826 mm)
Width:
Approx. 74.8 inches (1899 mm) (excluding mirrors)
Height:
Approx. 69.9 inches (1775 mm)
Wheelbase:
Approx. 116.1 inches (2950 mm)
Weight:
Ranges from approx. 4,500 lbs (2041 kg) to over 5,000 lbs (2268 kg) depending on engine and drivetrain.
Volume Behind 2Nd Row:
Approx. 31.5 cubic feet (892 liters)
Volume Behind 1St Row:
Approx. 68.5 cubic feet (1940 liters)
Capacity:
Up to 7,400 lbs (3357 kg) when properly equipped with the V8 engines and towing package.
NHTSA Front Impact:
5 Stars (for both driver and passenger in various model year tests)
NHTSA Side Impact:
5 Stars (for front and rear passengers in various model year tests)
IIHS Front Crashworthiness:
Good (for most model years)
Driver Assistance:
Electronic Stability Program (ESP), Traction Control System (TCS), Anti-lock Braking System (ABS), Brake Assist (BAS), Hill Start Assist (HSA), ParkView Rear Back-Up Camera (optional).
Airbags:
Advanced multi-stage front airbags, front-seat-mounted side airbags, side-curtain airbags for front and second-row occupants.
Structure:
Reinforced body structure, crumple zones, advanced door beams.
Features:
Available features included touch-screen navigation systems, Uconnect voice command, premium audio systems (e.g., Boston Acoustics, Harman Kardon), SiriusXM Satellite Radio, and DVD entertainment systems.
Advanced Features:
Adaptive Cruise Control (optional on some models), ParkSense® Front and Rear Park Assist, Remote Start.
Options:
Bluetooth hands-free calling (via Uconnect), USB input for media playback on some systems.
Engine Tech:
5.7L HEMI features Multi-Displacement System (MDS) to deactivate cylinders under light load for improved fuel efficiency.
Engine Oil Change:
Typically every 5,000-7,500 miles (8,000-12,000 km) or 6 months, depending on driving conditions and oil type. Refer to manual for specific recommendations.
Service Intervals Transmission
Transmission Fluid Change:
Recommended every 30,000-60,000 miles (48,000-96,000 km) or as per manual recommendations, especially if used for towing.
Service Intervals Coolant
Coolant Flush:
Typically every 50,000-100,000 miles (80,000-160,000 km) or 3-5 years, depending on coolant type (e.g., HOAT).
Fluid Specifications Engine Oil
Engine Oil Viscosity:
For 3.7L V6 and 4.7L V8: SAE 5W-20. For 5.7L HEMI: SAE 5W-20 or 5W-30 (check manual). For 6.1L HEMI: SAE 0W-40 or 5W-40. Always use synthetic or synthetic blend for best performance.
Fluid Specifications Coolant
Coolant Type:
Chrysler/Dodge/Jeep HOAT (Hybrid Organic Additive Technology) type coolant, typically Mopar Antifreeze/Coolant 5/100 (blue).
Fluid Specifications Brake Fluid
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Common Problems:
Potential issues include HVAC blend door actuator failure, electronic throttle control (ETC) problems, heated/cooled seat module failures, and occasional radiator or coolant leaks. Some HEMI engines may experience lifter noise or oil consumption. Transfer case issues can occur with heavy off-road use or lack of maintenance.
Oil Filter:
e.g., Mopar MO-899, Purolator L14670, Wix 57060 (verify for specific engine).
Air Filter:
e.g., Mopar 68041009AA, K&N 33-2203 (verify for specific engine).
Heritage:
Jeep, a brand with a rich military and off-road history, has consistently produced capable SUVs. The Grand Cherokee lineage began in 1993, establishing itself as a benchmark for premium SUVs.
Generation Wk:
The WK generation, introduced for the 2005 model year, represented a significant departure from the WJ generation, featuring a unibody construction, independent front suspension, and a more refined, car-like driving experience, while still offering robust Jeep off-road capability.
Manufacturing Locations:
Primarily manufactured at the Jefferson North Assembly Plant in Detroit, Michigan, USA.
