🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Model Generation:

WK

Year:

2008

Chassis Code:

WK

👋 Introduction

Vehicle Segment:

Mid-size Luxury SUV

Competitive Set:

Ford Explorer, Toyota Highlander, Chevrolet Trailblazer, Nissan Pathfinder, Honda Pilot, BMW X5, Lexus RX.

Jeep Advantage:

Renowned off-road capability, robust construction, powerful engine options, luxurious interior appointments (especially in higher trims).

Platform:

WK platform, shared with Mercedes-Benz M-Class (W164) and R-Class (W251), contributing to refined ride and handling.

Off Road Systems:

Available Quadra-Trac II and Quadra-Drive II 4WD systems with electronic low-range gearing and rear limited-slip differential (on Quadra-Drive II).

Powertrain Options:

Versatile engine choices catering to performance and efficiency.

Interior Comfort:

Spacious cabin, premium materials, available leather upholstery, advanced climate control.

📋 Manual Details

Manual Type:

Complete Workshop Service Repair Manual

Language:

English

Format:

Downloadable (likely PDF)

Page Count:

Estimated 2000+ pages (typical for comprehensive workshop manuals)

📖 Manual Coverage

Engine Mechanical:

Engine overhaul, disassembly, assembly, cylinder head, block, crankshaft, pistons, connecting rods, lubrication system, cooling system, timing system.

Engine Performance:

Fuel injection system, ignition system, emission control systems, engine diagnostics, tune-up procedures.

Transmission Automatic:

Disassembly, assembly, inspection, diagnosis, repair, fluid service for W5A580 (Mercedes-Benz derived) and 45RFE/545RFE transmissions.

Transmission Manual:

If equipped, manual transmission service procedures.

Drivetrain:

Front axle, rear axle, differentials, driveshafts, CV joints, transfer case (Quadra-Trac II, Quadra-Drive II) service.

Brakes:

Brake system diagnosis, repair, front and rear brake systems, ABS, traction control, stability control system components and procedures.

Steering:

Power steering system, steering column, steering gear/rack and pinion diagnosis and repair.

Suspension:

Front and rear suspension systems, control arms, ball joints, shock absorbers, springs, bushings, wheel alignment procedures.

Electrical System:

Battery, charging system, starting system, lighting, instrument panel, power outlets, wiring diagrams, component location.

Body And Chassis:

Body panel removal/installation, door mechanisms, glass, sunroof, interior trim, chassis lubrication, frame repair (if applicable).

HVAC:

Heating, ventilation, and air conditioning system diagnosis, repair, refrigerant handling, component replacement.

Restraints:

Airbag system diagnosis, SRS components, seat belts, pre-tensioners.

Infotainment And Comfort:

Radio, navigation system, speaker installation/repair, power seats, power windows, power locks, remote keyless entry.

Diagnostic Troubleshooting:

Systematic diagnostic procedures for common and complex issues, symptom-based troubleshooting guides, diagnostic trouble codes (DTCs) interpretation.

Maintenance Schedules:

Detailed preventative maintenance schedules covering oil changes, fluid checks, filter replacements, and inspections.

Repair And Rebuild:

Step-by-step instructions for component removal, installation, repair, and complete rebuilds of major systems.

Component Replacement:

Detailed procedures for replacing wear items, sensors, actuators, and major components like engines, transmissions, and differentials.

Wiring And Schematics:

Comprehensive electrical schematics, wiring diagrams, and connector views for all vehicle systems.

Depth:

Comprehensive, covering everything from basic fluid checks to complete engine and transmission overhauls, including electrical diagnostics and bodywork.

Target Audience:

Professional technicians, experienced DIY enthusiasts, and advanced home mechanics.

📊 Manual Specifications

Format:

Digital Downloadable (typically PDF)

Searchability:

Likely text-searchable for quick information retrieval.

Printability:

Printable pages for hands-on workshop use.

Quality:

High-resolution scans or digital source, ensuring clarity of diagrams and text.

Binding:

N/A (Downloadable format)

Paper Type:

N/A (Downloadable format)

⚙️ Engine Specifications

Engine 1 Variant:

3.7L V6 (SOHC)

Engine 1 Displacement:

3701 cc (225 ci)

Engine 1 Cylinders:

6

Engine 1 Configuration:

V6

Engine 1 Horsepower:

210 hp @ 5,200 rpm (approx.)

Engine 1 Torque:

235 lb-ft @ 4,000 rpm (approx.)

Engine 1 Fuel Type:

Unleaded Gasoline

Engine 2 Variant:

4.7L V8 (SOHC)

Engine 2 Displacement:

4701 cc (287 ci)

Engine 2 Cylinders:

8

Engine 2 Configuration:

V8

Engine 2 Horsepower:

231 hp @ 5,000 rpm (approx.)

Engine 2 Torque:

290 lb-ft @ 3,200 rpm (approx.)

Engine 2 Fuel Type:

Unleaded Gasoline

Engine 3 Variant:

5.7L HEMI V8 (OHV)

Engine 3 Displacement:

5654 cc (345 ci)

Engine 3 Cylinders:

8

Engine 3 Configuration:

V8 (HEMI)

Engine 3 Horsepower:

357 hp @ 5,000 rpm (approx.)

Engine 3 Torque:

389 lb-ft @ 4,000 rpm (approx.)

Engine 3 Fuel Type:

Unleaded Gasoline

Fuel Delivery:

Sequential Electronic Fuel Injection (Multi-Port)

Emission Control:

Catalytic Converter, Oxygen Sensors, EGR (where applicable).

🔧 Transmission

Transmission Type Standard:

5-Speed Automatic (W5A580 for 5.7L HEMI; 45RFE/545RFE for 3.7L and 4.7L)

Transmission Type Optional:

None (Automatic standard across all engines)

Transmission Features:

Electronic control, torque converter lock-up, driver-selectable modes (e.g., Auto Stick).

Transmission Fluid Spec:

Chrysler ATF+4 (MS-9602) or equivalent for 45RFE/545RFE; Mercedes-Benz MB 236.10 (ATF) for W5A580.

Transmission Fluid Capacity:

Approx. 10.5-11.5 quarts (9.9-10.9 liters) depending on transmission model.

📐 Dimensions

Wheelbase:

114.7 inches (2913 mm)

Length:

188.8 inches (4796 mm)

Width:

74.9 inches (1903 mm)

Height:

69.9 inches (1775 mm)

Ground Clearance:

Approx. 8.4 inches (213 mm) with Quadra-Drive II

Seating Capacity:

5 passengers

Passenger Volume:

Approx. 105.4 cubic feet (2985 liters)

Cargo Volume Behind 2Nd Row:

Approx. 31.5 cubic feet (892 liters)

Cargo Volume With 2Nd Row Folded:

Approx. 71.0 cubic feet (2010 liters)

Curb Weight:

4,500 - 4,900 lbs (2041 - 2223 kg) approx.

Towing Capacity:

Up to 7,400 lbs (3357 kg) with proper equipment

Wheel Bolt Pattern:

5 x 127mm (5 x 5 inches)

Wheel Size Standard:

17-inch

Wheel Size Optional:

18-inch, 20-inch

Tire Size Standard:

P245/65R17

🛡️ Safety Features

NHTSA Front Crash Rating:

5-Star (Driver and Passenger)

NHTSA Side Impact Rating:

5-Star (Front and Rear Passengers)

IIHS Moderate Overlap Frontal Offset:

Good

IIHS Side Impact:

Good

Electronic Stability Control:

Standard (Electronic Stability Control - ESC)

Traction Control:

Standard (All-Speed Traction Control)

Antilock Brakes:

Standard (4-Wheel Anti-lock Brake System - ABS)

Brake Assist:

Standard (Brake Assist)

Roll Mitigation:

Standard (Electronic Roll Mitigation - ERM)

Airbags Front:

Advanced Multi-stage Front Airbags

Airbags Side:

Front Seat Mounted Side Airbags

Airbags Curtain:

Full-Length Side Curtain Airbags

Seatbelts:

3-Point Seat Belts with Pretensioners and Load Limiters

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for Children) system

💡 Technology Features

Infotainment System:

Optional Uconnect Multimedia System with AM/FM/CD/DVD/MP3 player, SiriusXM Satellite Radio, navigation system, and Bluetooth hands-free calling.

Audio Options:

Premium Boston Acoustics audio system with amplified subwoofer available on higher trims.

Rear Entertainment:

Optional rear-seat entertainment system with DVD player and screens.

Parking Assist:

Optional ParkSense® Rear Park Assist system.

Rearview Camera:

Optional ParkView™ Rear Back-Up Camera integrated with the infotainment display.

Connectivity Options:

SiriusXM, Uconnect Bluetooth, USB auxiliary input, optional iPod integration.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, or as indicated by the oil change indicator system.

Engine Air Filter:

Inspect every 15,000 miles (24,000 km), replace as needed (typically every 30,000 miles or 48,000 km).

Cabin Air Filter:

Replace every 15,000 miles (24,000 km) or annually.

Transmission Service:

Inspect fluid level and condition every 30,000 miles (48,000 km); fluid and filter change recommended every 60,000-100,000 miles (96,000-160,000 km) depending on usage and fluid type.

Coolant Flush:

First flush at 100,000 miles (160,000 km) for HOAT coolant, then every 50,000 miles (80,000 km) thereafter.

Spark Plugs:

Replace at 100,000 miles (160,000 km) for 3.7L V6 and 4.7L V8; consult manual for 5.7L HEMI (often iridium plugs with longer life).

Engine Oil Specification 3.7L 4.7L:

SAE 5W-20, API SN/SM/SL, ILSAC GF-5 (or equivalent) - Chrysler MS-6395

Engine Oil Specification 5.7L Hemi:

SAE 5W-20, API SN/SM/SL, ILSAC GF-5 (or equivalent) - Chrysler MS-10850 or MS-6395

Engine Oil Capacity 3.7L:

5.0 quarts (4.7 liters)

Engine Oil Capacity 4.7L:

5.0 quarts (4.7 liters)

Engine Oil Capacity 5.7L Hemi:

7.0 quarts (6.6 liters)

Coolant Specification:

Chrysler HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, Orange (MS-9769)

Brake Fluid Specification:

DOT 3 or DOT 4 (refer to reservoir cap)

Power Steering Fluid:

Chrysler Power Steering Fluid (MS-5901) or equivalent ATF+4

Common Issues:

Water pump leaks (especially on 3.7L V6), power steering pump noise/leaks, catalytic converter failure, occasional transmission shifting issues (W5A580), electronic module failures (e.g., TIPM), suspension component wear (ball joints, tie rod ends).

📚 Vehicle History

Jeep Legacy:

Founded in 1941, Jeep is synonymous with ruggedness, off-road capability, and adventure, originating from military vehicles.

Grand Cherokee Introduction:

First introduced in 1993 as a premium SUV, the Grand Cherokee has evolved through multiple generations, blending Jeep's off-road prowess with luxury and comfort.

Wk Generation:

The WK generation (2005-2010) marked a significant step towards refinement and shared its platform with Mercedes-Benz, enhancing on-road dynamics and luxury appointments.

Production Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA

Production Years:

2005 - 2010

🏆 Awards & Recognition

IIHS Top Safety Pick:

Often awarded an IIHS Top Safety Pick for its strong crash test performance.

Consumer Reports Ratings:

Generally received average to above-average ratings for predicted reliability and owner satisfaction, though specific model years and powertrains varied.

Emisiones Standards:

Meets U.S. EPA and CARB emission standards for the model year.