🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Chassis Code:

WK

Model Years:

2005, 2006, 2007, 2008

👋 Introduction

Positioning:

Mid-size luxury SUV, positioned as a premium offering within the Jeep lineup, competing with vehicles like the Ford Explorer, Toyota 4Runner, and Land Rover LR3.

Key Competitors:

Ford Explorer, Toyota 4Runner, Chevrolet Trailblazer, Nissan Pathfinder, Land Rover LR3, BMW X5, Mercedes-Benz ML-Class.

Wk Features:

Independent front suspension (first for Grand Cherokee), available Quadra-Drive II 4WD system, premium interior appointments, powerful HEMI V8 option, advanced safety features.

📋 Manual Details

Covered Systems:

Introduction, Lubrication & Maintenance, Suspension, Differential & Driveline, Brakes, Cooling, Audio/Video, Chime/Buzzer, Electronic Control Modules, Engine Systems, Heated Systems, Horn, Ignition Control, Instrument Cluster, Lamps, Message Systems, Navigation, Powertrain Control, Pre-Delivery Inspection, Seat Belt/Airbag, Seat Systems, Security/Access Control, Sensors/Actuators, Steering, Tire/Wheel, Transfer Case, Transmission (Automatic), Trunk/Hatch, Ventilation/Air Conditioning, Viscous Coupling, Wiper/Washer

Estimated Pages:

2000+

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Systems:

3.7L V6 Magnum, 4.7L V8 Magnum, 5.7L V8 HEMI MDS

Transmission Systems:

NAG1 (W5A580) 5-Speed Automatic, NV3500 5-Speed Manual (rare)

Drivetrain Systems:

Front Axle, Rear Axle, NV245 / NV345 Transfer Case (Quadra-Trac II, Quadra-Drive II)

Maintenance Procedures:

Oil Changes, Filter Replacements, Fluid Checks & Changes, Tire Rotation, Brake Inspections, Cooling System Flushes

Repair Procedures:

Engine Overhauls, Transmission Rebuilds, Suspension Component Replacement, Brake System Repairs, Electrical Diagnosis & Repair, HVAC System Repair

Diagnostic Procedures:

Troubleshooting guides, wiring diagrams, diagnostic trouble code (DTC) explanations and resolutions, component testing

Depth:

Comprehensive: From basic scheduled maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and component-level repair instructions.

📊 Manual Specifications

File Type:

Searchable PDF

Quality:

High-resolution, clear text and diagrams, printable pages

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine 1 3.7L:

3.7L V6 Magnum (SOHC), Displacement: 3701 cc (225 cu in), Bore x Stroke: 93 mm x 90.9 mm, Compression Ratio: 9.6:1, Horsepower: 210 hp @ 5200 rpm, Torque: 235 lb-ft @ 4000 rpm

Engine 2 4.7L:

4.7L V8 Magnum (SOHC), Displacement: 4701 cc (287 cu in), Bore x Stroke: 93 mm x 86.1 mm, Compression Ratio: 9.0:1, Horsepower: 230 hp @ 4500 rpm, Torque: 305 lb-ft @ 3200 rpm

Engine 3 5.7L:

5.7L V8 HEMI MDS (OHV), Displacement: 5654 cc (345 cu in), Bore x Stroke: 99.5 mm x 94.5 mm, Compression Ratio: 9.6:1, Horsepower: 325 hp @ 5000 rpm, Torque: 375 lb-ft @ 4000 rpm

Hp Range:

210-325 hp

Torque Range:

235-375 lb-ft

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 octane recommended, higher for HEMI optional)

🔧 Transmission

Transmission Type Standard:

5-Speed Automatic (NAG1/W5A580)

Transmission Type Optional:

5-Speed Manual (NV3500 - primarily for base models/specific markets)

Transmission Features:

Electronic overdrive, torque converter lock-up, Selectable Drive Modes (on some trims with QDII)

Nag1 Fluid:

Mopar ATF+4 (MS-9602) or equivalent (e.g., Pentosin ATF1)

📐 Dimensions

Wheelbase:

116.1 inches (2950 mm)

Length:

188.8 inches (4796 mm)

Width:

74.4 inches (1890 mm)

Height:

69.9 inches (1775 mm)

Curb Weight Min:

4,540 lbs (2060 kg)

Curb Weight Max:

4,930 lbs (2236 kg)

Cargo Volume Behind 1St Row:

68.5 cu ft (1939 L)

Cargo Volume Behind 2Nd Row:

39.3 cu ft (1113 L)

🛡️ Safety Features

NHTSA Front Driver Side Impact:

5 Stars

NHTSA Front Passenger Side Impact:

5 Stars

NHTSA Side Driver Door:

5 Stars

NHTSA Side Passenger Door:

5 Stars

NHTSA Rollover Resistance:

4 Stars

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Stability Control (ESC) with Roll Mitigation, Traction Control (TC), All-Speed Traction Control

Passive Safety Features:

Advanced Multi-stage Front Airbags, Supplemental Side-Curtain Front and Rear Airbags, Seatbelt Pretensioners, Crumple Zones

💡 Technology Features

Infotainment Systems:

Optional MyGig infotainment system with hard drive, DVD playback, navigation, and Bluetooth connectivity. Uconnect hands-free communication system available.

Driver Assistance Features:

ParkSense Rear Park Assist, ParkView Rear Backup Camera (optional).

Connectivity Options:

SiriusXM Satellite Radio, auxiliary audio input jack.

🔧 Maintenance

Oil Change Interval:

Every 6,000 miles or 6 months, whichever comes first (using synthetic blend or full synthetic oil)

Tire Rotation Interval:

Every 7,500 miles or 6 months

Engine Air Filter Replacement:

Every 15,000 miles or 12 months

Cabin Air Filter Replacement:

Every 10,000 miles or 12 months

Engine Oil 3.7L 4.7L:

SAE 5W-30 (API SN or higher, meeting Chrysler MS-6395)

Engine Oil 5.7L:

SAE 5W-20 (API SN or higher, meeting Chrysler MS-6395)

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT (Hybrid Organic Additive Technology) Approved (e.g., Mopar 10 Year / 100,000 Mile Formula)

Brake Fluid:

DOT 3

Transfer Case Fluid:

Mopar NV245 / NV345 Transfer Case Lubricant (MS-10216)

Differential Fluid Front Rear:

SAE 75W-90 (API GL-5), including Chrysler friction modifier for limited-slip differentials if equipped.

Common Issues:

Water pump leaks (especially 5.7L HEMI), PCV valve issues, Electronic Throttle Control (ETC) issues, various sensor failures (crankshaft, camshaft), HVAC blend door actuator failures, rear main seal leaks, rear differential pinion seal leaks.

📚 Vehicle History

Jeep Heritage:

Founded in 1941, Jeep is renowned for its off-road capability and ruggedness, evolving from military vehicles to a diverse range of SUVs.

Grand Cherokee Generations:

The WK generation, introduced for the 2005 model year, marked a significant redesign over the WJ, featuring a more modern unibody construction and independent front suspension, enhancing on-road comfort and handling.

Manufacturing Locations:

Jefferson North Assembly Plant, Detroit, Michigan, USA

🏆 Awards & Recognition

Critically Acclaimed:

Often praised for its refined ride and handling compared to previous generations, powerful HEMI V8 option, and luxurious interior for its class. Criticized by some for reliability concerns compared to Japanese competitors.