🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Chassis Code:

WK

Model Years Covered:

2005, 2006, 2007, 2008

Manual Product Code:

N/A (Digitally Delivered)

👋 Introduction

Segment:

Mid-size Luxury SUV

Competitors:

Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder, BMW X5, Mercedes-Benz ML-Class.

Platform:

WK platform, shared with Mercedes-Benz ML-Class of the same era, indicating a focus on premium build quality and refinement.

Capability:

Known for its off-road prowess (Quadra-Trac II, Quadra-Drive II 4WD systems) and comfortable on-road manners, blending utility with luxury.

📋 Manual Details

Coverage Overview:

Comprehensive repair, maintenance, and troubleshooting for all systems.

Estimated Page Count:

Extensive (Specific number not provided, but described as 'complete'). Typically 2000+ pages for factory service manuals of this era and scope.

Type:

Factory Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Systems:

Engine mechanical (including cylinder heads, blocks, pistons, crankshafts, camshafts), fuel system (injection, fuel pump, lines, tank), cooling system (radiator, water pump, thermostat, hoses), lubrication system (oil pump, oil filter, oil pan), ignition system (coils, spark plugs, sensors), exhaust system (manifolds, catalytic converter, mufflers), emissions control systems.

Drivetrain:

Driveline components, differentials (front and rear), transfer case (NV245, NV140, NV240 depending on configuration), axle shafts, propeller shafts, U-joints, CV joints, wheel bearings.

Transmission:

Automatic Transmissions (e.g., W5A580 NAG1, 45RFE/545RFE), service, repair, overhaul, fluid specifications, torque converter, solenoids, valve body.

Suspension Steering:

Front and rear suspension components (control arms, ball joints, bushings, springs, shock absorbers/struts), power steering system (pump, rack and pinion, hoses, fluid), steering column, wheel alignment specifications.

Brakes:

Brake system hydraulics (master cylinder, brake lines, calipers, wheel cylinders), parking brake system, ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) components, brake rotor and pad replacement, bleeding procedures.

Electrical Electronics:

Wiring diagrams, electrical connectors, fuses, relays, battery system, charging system (alternator), starting system (starter motor), lighting systems (headlamps, taillamps, interior lamps), horn, wipers and washers, power windows, power locks, power mirrors, instrument cluster, audio system, chime/buzzer systems, message systems, speed control (cruise control), vehicle theft security system, electronic control modules (ECM, TCM, BCM, etc.), diagnostic procedures.

Body Frame:

Body panels, doors, hood, liftgate, bumpers, interior trim, seats, glass replacement, seals, weatherstripping, frame structure, corrosion protection.

HVAC:

Heating and Air Conditioning (HVAC) system components (compressor, condenser, evaporator, blower motor, refrigerant, climate control module), diagnostic and repair procedures.

Maintenance Procedures:

Routine maintenance schedules, fluid level checks and changes (engine oil, coolant, transmission fluid, brake fluid, power steering fluid), filter replacements (oil, air, cabin, fuel), spark plug replacement, belt inspection and replacement, lubrication points.

Diagnostic Troubleshooting:

Step-by-step troubleshooting guides for common and uncommon issues, diagnostic trouble codes (DTCs) and their meanings, testing procedures for electrical components and sensors, use of diagnostic scan tools.

Repair Rebuild:

Detailed instructions for component removal, disassembly, inspection, repair, reassembly, and installation for nearly every part of the vehicle. This includes engine rebuilds, transmission overhauls, suspension component replacement, brake caliper rebuilds, electrical component repair, and body panel repair.

Technical Specifications:

Torque specifications for fasteners, clearances, timing information, electrical resistance values, fluid capacities and types, diagnostic parameters, alignment specifications, tire pressure recommendations.

Depth:

Factory-level detail, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from basic fluid changes to complete engine and transmission overhauls, including complex electrical diagnostics and component-level repair.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable PDF, allowing for quick access to specific information.

Quality:

Digital delivery implies no physical print quality to assess, but the content is derived from factory documentation.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Options:

3.7L V6 (PowerTech), 4.7L V8 (PowerTech), 5.7L HEMI V8 (Magnum). SRT8 model featured a 6.1L HEMI V8.

Horsepower Torque 3.7L V6:

Approx. 210-215 hp / 235-240 lb-ft torque

Horsepower Torque 4.7L V8:

Approx. 230-235 hp / 300-305 lb-ft torque

Horsepower Torque 5.7L Hemi V8:

Approx. 330-345 hp / 375-380 lb-ft torque

Fuel Delivery:

Multi-point fuel injection (MPI).

ECM Type:

Various Chrysler/Mercedes-Benz derived Engine Control Modules (ECM).

🔧 Transmission

Transmission Type V6:

5-speed automatic (45RFE/545RFE)

Transmission Type V8:

5-speed automatic (W5A580 NAG1 for 5.7L HEMI, 45RFE/545RFE for 4.7L)

4Wd Systems:

Available in 4x2 RWD and 4x4 AWD (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II).

📐 Dimensions

Wheelbase:

Approx. 116.1 inches (2950 mm)

Length:

Approx. 189.8 inches (4821 mm)

Width:

Approx. 74.9 inches (1903 mm)

Height:

Approx. 69.9 inches (1775 mm)

Curb Weight V6:

Approx. 4,500 - 4,800 lbs (2041 - 2177 kg)

Curb Weight V8:

Approx. 4,700 - 5,000 lbs (2132 - 2268 kg)

Towing Capacity:

Up to 7,200 lbs (3266 kg) with appropriate towing package.

🛡️ Safety Features

NHTSA Front Driver Impact:

5 Stars (2005-2008 models)

NHTSA Front Passenger Impact:

5 Stars (2005-2008 models)

NHTSA Side Driver Impact:

5 Stars (2005-2008 models)

NHTSA Side Rear Passenger Impact:

5 Stars (2005-2008 models)

Electronic Stability Control:

Standard (ESP).

Traction Control:

Standard (TCS).

Anti Lock Brakes:

Standard (ABS).

Airbags:

Front airbags, front side-impact airbags, available side-curtain airbags.

Seatbelts:

Three-point seat belts with pretensioners.

💡 Technology Features

Audio Systems:

Optional premium audio systems from Boston Acoustics or Infinity. SiriusXM Satellite Radio, CD/MP3 players, optional navigation systems.

Advanced Features:

ParkSense rear park assist, rearview camera (optional on some trims), tire pressure monitoring system (TPMS).

Connectivity Options:

Uconnect infotainment system (available on later models of this generation), Bluetooth hands-free communication.

🔧 Maintenance

Engine Oil Change:

Every 3,000-7,500 miles (5,000-12,000 km) or 6-12 months, depending on driving conditions and oil type used (refer to manual for specific recommendation). Using synthetic oil typically extends intervals.

Transmission Fluid Change:

Every 30,000-60,000 miles (48,000-96,000 km), depending on usage and transmission type. Crucial for longevity, especially with heavy towing.

Coolant Flush:

Every 30,000-100,000 miles (48,000-160,000 km) or 2-5 years, depending on coolant type (Chrysler HOAT or OAT).

Spark Plugs Replacement:

30,000-100,000 miles (48,000-160,000 km) depending on spark plug type (standard, platinum, iridium).

Engine Oil V6 V8:

SAE 5W-20 or 5W-30, API certified (e.g., MS-6395). Check owner's manual for exact specification for each engine. Capacity: ~5-7 quarts.

Transmission Fluid:

ATF+4 (Mopar material number 05013457AA) for 45RFE/545RFE. Shell ATF 134 or equivalent for W5A580 (MB 236.10). Capacity varies by transmission.

Coolant:

Chrysler HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant (Orange) or Mopar OAT (Organic Acid Technology) Antifreeze/Coolant (Magenta) depending on original fill. Mix 50/50 with distilled water. Capacity: ~12-15 quarts.

Power Steering Fluid:

Chrysler Power Steering Fluid (Mopar material number 04303090AC) or equivalent ATF+4. Check manual.

Common Problems Early Wk:

Crankshaft position sensor failures, electronic throttle control (ETC) issues, HVAC blower motor failures, certain transmission solenoid issues (especially in the NAG1), suspension component wear (ball joints, control arm bushings), water pump leaks, rear main seal leaks ( HEMI engines).

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing reputation for ruggedness, off-road capability, and 4x4 technology.

Wk Generation Introduction:

The WK generation debuted for the 2005 model year, marking a significant redesign from the previous WJ generation. It introduced a more modern, sculpted exterior and a refined interior, heavily influenced by DaimlerChrysler's ownership and collaboration with Mercedes-Benz. The WK platform was designed with more European influences in mind, offering improved on-road dynamics.

Manufacturing Locations:

Primarily assembled at the Jefferson North Assembly Plant in Detroit, Michigan.

🏆 Awards & Recognition

Safety Awards:

Consistently received high safety ratings from NHTSA and IIHS for its generation. For example, it was a Consumers Digest Best Buy in 2005.

Car And Driver Review:

Often praised for its blend of luxury, capability, and the powerful HEMI engine options, though sometimes criticized for fuel economy and certain interior material choices compared to European rivals.