Segment:
Mid-size Luxury SUV
Key Attributes:
Off-road capability, luxury appointments, powerful engine options
Competitors:
Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Land Rover LR3/LR4, BMW X5, Mercedes-Benz M-Class
Major Updates:
Minor facelift for 2008 model year: rounded headlights, addition of HID headlamps with auto-leveling, removable lower bumper section for improved approach angle.
Covered Years:
2005, 2006, 2007, 2008, 2009, 2010
Covered Models:
Jeep Grand Cherokee WK
Covered Engines:
3.7L V6, 4.7L V8, 5.7L V8 HEMI, 6.1L V8 HEMI SRT8
Estimated Page Count:
Thousands (typical for comprehensive workshop manuals)
Type:
Workshop Service Repair Manual
Description:
Complete Factory Workshop Service Manual
Powertrain:
Engine Mechanical (including 3.7L, 4.7L, 5.7L HEMI, 6.1L HEMI SRT8), Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System, Starting System, Charging System, Automatic Transmissions (e.g., NAG1 5-Speed, W5A580), Transfer Case (e.g., NV245, NV247)
Chassis:
Suspension (Front & Rear), Steering System, Brakes (Front & Rear Disc, ABS, ESP), Driveline (Front Axle, Rear Axle, Differentials, CV Joints, Driveshafts)
Electrical:
Battery, Charging System, Starting System, Instrument Panel Systems, Audio Systems, Horn Systems, Speed Control System, Turn Signal and Hazard Warning Systems, Wiper and Washer Systems, Lamps (Headlamps, Taillamps, Interior), Passive Restraint Systems (Airbags), Electrically Heated Systems (Seats, Mirrors), Power Distribution System, Vehicle Theft/Security Systems, Chime/Buzzer Warning Systems, Wiring Diagrams (complete schematics)
Body:
Frame and Bumpers, Body Panels, Doors, Windows, Mirrors, Seats, Interior Trim, Roof, HVAC System (Heating and Air Conditioning), Emission Control Systems
Maintenance:
Routine service, fluid changes, filter replacements, lubrication, tire rotation, brake pad replacement, spark plug replacement, belt replacement
Repair:
Engine rebuilds, transmission overhauls, brake system repairs, suspension component replacement, steering system repairs, electrical component diagnostics and replacement, HVAC system repair, body panel repair
Diagnostics:
Troubleshooting charts, symptom-based diagnostics, diagnostic trouble codes (DTCs), electrical system testing procedures, component testing
Technical Data:
Specifications, tolerances, torque values, fluid capacities, wiring diagrams, component locations, diagnostic procedures
Depth:
Comprehensive, from basic maintenance to complex drivetrain and electrical system repairs and diagnostics.
Transmission Type V6:
5-speed automatic (e.g., W5A580 NAG1)
Transmission Type V8:
5-speed automatic (e.g., W5A580 NAG1 for 4.7L, 545RFE for 5.7L HEMI, some variations exist)
Transfer Case Options:
Selec-Trac II (2-speed full-time 4WD), Quadra-Trac II (2-speed full-time 4WD with electronic transfer case), Quadra-Drive II (2-speed full-time 4WD with electronic transfer case and front/rear electronic limited-slip differentials)
Transmission Features:
Electronic shift control, driver-adaptive learning, Tow/Haul mode
NHTSA Front Driver Impact:
5-star (2005-2007 models, as reported)
NHTSA Front Passenger Impact:
5-star (2005-2007 models, as reported)
NHTSA Side Driver Impact:
5-star (2005-2007 models, as reported)
NHTSA Side Rear Passenger Impact:
5-star (2005-2007 models, as reported)
Active Safety Systems:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (TCS), Brake Assist
Passive Safety Features:
Multi-stage front airbags, front side-impact airbags, available rear side-impact airbags, Active head restraints
Infotainment Systems:
Available Boston Acoustics premium audio system, MyGIG infotainment system with navigation, SiriusXM Satellite Radio, Uconnect hands-free communication system.
Driver Assistance Features:
ParkSense front and rear parking assist, ParkView rear backup camera (later models).
Connectivity Features:
Available Bluetooth for phone integration with Uconnect.
Oil Change Interval:
Every 6,000 miles or 6 months, whichever comes first (under normal driving conditions). Refer to manual for severe driving conditions.
Tire Rotation Interval:
Every 6,000 miles
Engine Coolant Flush:
Every 5 years or 100,000 miles (initial fill)
Engine Oil Type 3.7L 4.7L:
SAE 5W-30 Synthetic Motor Oil (API Certified)
Engine Oil Type 5.7L 6.1L Hemi:
SAE 5W-20 Synthetic Motor Oil (API Certified)
Transmission Fluid Type Nag1:
ATF+4 (or equivalent MB 236.10 specification fluid)
Transfer Case Fluid Type:
Mopar NV245/NV247 Transfer Case Fluid (or equivalent)
Differentials Fluid Type:
API GL-5, SAE 75W-90 (Front and Rear)
Common Issues 2005-2010:
Water pump leaks (especially 4.7L), catalytic converter failure, EGR valve issues, HVAC blend door actuator failure, power steering pump noise, Hemi tick (exhaust manifold leak), front suspension wear (ball joints, tie rods), electronic throttle control issues.
Brand Focus:
Jeep has a long-standing heritage in producing capable off-road vehicles since World War II.
Second Generation Wk Introduction:
Introduced for the 2005 model year, replacing the KJ Liberty (though often confused with it) and the WJ Grand Cherokee. Based on the Mercedes-Benz M-Class (W164) platform.
Facelift Details:
2008 model year received a mid-cycle refresh, primarily focused on exterior styling (headlights, bumper) and subtle interior updates. Engine performance for the 4.7L V8 was also enhanced.
Assembly Locations:
Jefferson North Assembly Plant, Detroit, Michigan, USA