🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Generation Code:

WK

Model Year:

2008

Chassis Code:

WK

👋 Introduction

Target Audience:

Jeep Grand Cherokee WK 2008 owners, DIY enthusiasts, and professional automotive technicians.

Value Proposition:

Provides comprehensive information to empower users in vehicle maintenance, repair, and preventative care, potentially saving significant costs.

Problem Solving:

Aims to assist in fixing vehicle problems and maintaining good functioning for future use.

Knowledge Enhancement:

Serves as a reliable source to learn about the vehicle and prevent future issues.

📋 Manual Details

General Coverage:

Complete service and repair for Jeep Grand Cherokee WK 2008

Estimated Page Count:

Likely extensive, typical for comprehensive service manuals covering all systems.

Type:

Digital Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Systems:

Engine diagnostics, repair, overhaul, fuel systems, ignition control, cooling, lubrication, emissions control (4.0L/4.7L).

Transmission And Driveline:

Transmission and Transfer Case operation, diagnostics, repair, differential, driveline components.

Suspension And Steering:

Suspension system diagnosis and repair, steering system components and procedures.

Brakes:

Brake system diagnosis, repair, fluid service, component replacement.

Electrical And Electronics:

Wiring diagrams, electronic control modules (ECM/PCM), instrument cluster, audio/video systems, chime/buzzer, horn, lamps, message systems, power systems, restraints, speed control, vehicle theft security, navigation/telecommunication.

Body And Frame:

Body construction, frame, bumpers, exterior panels, interior trim, glass, doors, tailgate.

HVAC And Emissions:

Heating and Air Conditioning (HVAC) system service, Emissions Control systems for 4.0L and 4.7L engines.

Maintenance:

Scheduled maintenance, lubrication, fluid checks and changes, filter replacements, tire rotation.

Diagnostics:

Troubleshooting guides, Diagnostic Trouble Code (DTC) index and explanations, symptom-based diagnostics.

Repair:

Detailed step-by-step repair procedures for all major vehicle systems, including component removal, installation, and adjustment.

Technical Data:

Specifications, torque values, clearances, electrical schematics, diagnostic charts.

Depth:

Comprehensive, covering basic to advanced repair and diagnostic procedures, suitable for professional technicians and advanced DIYers.

📊 Manual Specifications

Format:

PDF

Searchability:

Searchable text within PDF (if generated from a scannable source)

Zoom Capability:

Yes, allows zooming in/out for detailed viewing.

Readability:

Optimized for digital viewing on computers, smartphones, and tablets.

Binding:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Operating Systems:

Compatible with all versions of Windows & Mac.

Device Compatibility:

Usable on smartphones and tablets (requires extractor).

Compression:

Compressed in ZIP, no extractor needed for the archive itself.

⚙️ Engine Specifications

Engines Covered:

4.0L Inline-6 and 4.7L V8 (as indicated by emissions control section).

Horsepower 4.0L:

Approx. 205 hp @ 5,200 rpm (for reference, may vary slightly by specific sub-model/calibration).

Torque 4.0L:

Approx. 235 lb-ft @ 4,000 rpm (for reference).

Horsepower 4.7L:

Approx. 230-237 hp @ 4,500-5,000 rpm (for reference).

Torque 4.7L:

Approx. 290-300 lb-ft @ 3,200-3,600 rpm (for reference).

Fuel Delivery:

Multi-point fuel injection (MPI).

Oil Type 4.0L:

Likely SAE 5W-30 Synthetic (refer to manual for exact specification).

Oil Type 4.7L:

Likely SAE 5W-20 Synthetic (refer to manual for exact specification).

Coolant Type:

Mopar OAT (Orange) or equivalent HOAT coolant, 50/50 mix with distilled water. Refer to manual for exact specification.

🔧 Transmission

Transmission Type:

Likely Automatic Transmission.

Manual Transmission Option:

Unlikely for this generation/model, typically automatic.

Automatic Transmission Model 4.0L:

Likely 45RFE / 42RLE depending on 2WD/4WD configuration.

Automatic Transmission Model 4.7L:

Likely 545RFE / 45RFE depending on configuration.

Transmission Fluid Type:

ATF+4 (MS-9602). Refer to manual for exact specification.

Transfer Case Options:

Various 4WD systems available (e.g., NV140, NV245, etc.). Manual covers operation and repair.

📐 Dimensions

Wheelbase:

Approximately 114.4 inches.

Length:

Approximately 188.7 inches.

Width:

Approximately 75.5 inches.

Height:

Approximately 68.4 inches.

Curb Weight:

Varies by configuration, approximately 4,500 - 5,000 lbs.

Towing Capacity:

Up to 7,400 lbs (with optional towing package).

Gvw:

Gross Vehicle Weight Rating. Refer to manual for specific model GVWR.

Wheel Bolt Pattern:

5x5 (5x127mm).

Standard Tire Size:

Commonly P245/65R17 or P265/60R18. Refer to manual for exact OE size.

🛡️ Safety Features

NHTSA Front Crash Rating:

5-Star (for 2008 model year, typically).

IIHS Crash Test Results:

Good (typically in front and side impact tests for the generation).

ABS:

Standard Anti-lock Braking System (ABS).

Traction Control:

Standard Traction Control System (TCS).

Electronic Stability Control:

Standard Electronic Stability Control (ESC), branded as Electronic Stability Program (ESP) by Chrysler/Jeep.

Airbags:

Front airbags, front side-impact airbags, optional side curtain airbags. Refer to manual for specific configuration.

Seatbelts:

All seating positions with pretensioners and load limiters.

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for Children) system.

💡 Technology Features

Infotainment System:

Available systems include CD/MP3 players, Boston Acoustics premium audio, optional DVD entertainment system, and Uconnect hands-free communication.

Navigation:

Optional factory navigation system available.

Parking Sensors:

Optional ParkSense rear parking assist.

Bluetooth Connectivity:

Available with Uconnect system for hands-free calling.

🔧 Maintenance

Oil Change Interval:

Typically 7,500 miles or 6 months, whichever comes first, for synthetic oil. Refer to manual for specific interval and oil type.

Tire Rotation Interval:

Recommended every 7,500 - 10,000 miles.

Transmission Fluid Change Interval:

Every 60,000 - 100,000 miles, depending on driving conditions. Refer to manual for exact interval and procedure.

Engine Oil Capacity 4.0L:

Approximately 5 US quarts (4.7 liters) with filter change. Refer to manual.

Engine Oil Capacity 4.7L:

Approximately 6 US quarts (5.7 liters) with filter change. Refer to manual.

Brake Fluid Type:

DOT 3 or DOT 4 (refer to manual for precise specification).

Common Problems:

Potential issues can include HVAC blower motor resistor failure, water pump leaks, differential leaks, and electronic module glitches. The manual will detail diagnosis and repair for these.

Preventative Maintenance Focus:

Emphasis on regular fluid checks, belt inspection, and coolant system service to prevent common failures.

📚 Vehicle History

Jeep Legacy:

Jeep is renowned for its off-road capabilities and robust SUVs.

Grand Cherokee Wk Generation:

The WK generation (2005-2010) represented a significant redesign from the WJ, focusing on improved on-road comfort, refined interiors, and updated powertrains.

Manufacturing Locations:

Primarily manufactured in Jefferson North Assembly, Detroit, Michigan, USA.

Model Year Introduction:

The WK platform debuted for the 2005 model year.

🏆 Awards & Recognition

Consumer Reports Ratings:

Varies by year and specific features, generally a good performer in its class for comfort and capability, though reliability ratings can be average.

Automotive Journalism Reviews:

Praised for its comfortable ride, capable powertrains, and upscale interior for the time, but sometimes criticized for fuel economy and specific reliability concerns.