🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

2008

Chassis Code:

WK

Market Segment:

Mid-size SUV

👋 Introduction

Vehicle Class:

Premium Mid-Size SUV

Target Demographic:

Families, adventurers, those seeking luxury and off-road capability.

Key Competitors 2008:

Ford Explorer, Toyota 4Runner, Nissan Pathfinder, Chevrolet TrailBlazer

Distinguishing Factors:

Off-road prowess, optional HEMI V8 engine, upscale interior options, robust towing capacity.

Benefit For Owner:

Empowers owners to perform maintenance and repairs, understand vehicle systems, and reduce repair costs.

Benefit For Technician:

Provides detailed factory-level information for efficient and accurate diagnostics and repairs.

📋 Manual Details

Format:

PDF Download

Language:

English

Manual Type:

Factory Service Manual / Repair Manual

Target Audience:

Professional Technicians, Advanced DIY Enthusiasts

📖 Manual Coverage

Engine:

All powertrain options, including 3.7L V6, 4.7L V8, and 5.7L V8 HEMI

Transmission:

4-speed Automatic (42RLE), 5-speed Automatic (NAG1 - Mercedes-Benz sourced)

Drivetrain:

4x2 RWD, 4x4 (Quadra-Trac I, Quadra-Trac II, Quadra-Drive II)

Suspension:

Front Independent Suspension (Double Wishbone), Rear Multi-Link Independent Suspension

Brakes:

Front/Rear Ventilated Discs, ABS, Electronic Brake-force Distribution (EBD), Brake Assist (BAS)

Electrical:

Battery, Charging System, Ignition System, Lighting, Power Accessories, Body Control Module (BCM)

Chassis And Body:

Frame, Body Panels, Doors, Glass, Interior Trim, HVAC

Steering:

Power Rack and Pinion

Safety Systems:

Airbags (Front, Side Curtain), Seatbelts, Traction Control (TCS), Electronic Stability Program (ESP)

Diagnostics:

OBD-II diagnostic trouble codes (DTCs), diagnostic procedures, component testing

Maintenance:

Oil change, filter replacement, fluid checks, spark plug replacement, air filter replacement

Repair:

Engine mechanical, transmission overhaul, brake system repair, suspension component replacement, electrical component diagnosis and replacement

Troubleshooting:

Step-by-step diagnostic guides for common and uncommon issues

Rebuilding:

Detailed instructions for engine and transmission rebuilds

Diagnosis:

Wiring diagrams, component locations, testing procedures

Scope:

Comprehensive, covering all aspects from routine maintenance to major component overhauls.

Detail Level:

Detailed repair procedures, torque specifications, diagnostic flowcharts, and electrical schematics.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text for quick information retrieval.

Print Quality:

High-resolution for clear diagrams and text.

Delivery Type:

Instant Download

⚙️ Engine Specifications

Engine Code:

EWG

Displacement:

3.7 Liters (226 cu. in.)

Configuration:

SOHC V6

Horsepower:

210 hp @ 5,200 rpm

Torque:

235 lb-ft @ 4,000 rpm

Engine Code:

NHD

Displacement:

4.7 Liters (285 cu. in.)

Configuration:

SOHC V8

Horsepower:

231 hp @ 4,900 rpm

Torque:

290 lb-ft @ 3,500 rpm

Engine Code:

EZA

Displacement:

5.7 Liters (345 cu. in.)

Configuration:

OHV V8 with HEMI design, Multi-Displacement System (MDS)

Horsepower:

357 hp @ 5,000 rpm

Torque:

389 lb-ft @ 4,000 rpm

Type:

Sequential Multi-Port Fuel Injection (MPI)

Recommended Fuel:

87 Octane Unleaded (3.7L, 4.7L), 89 Octane Premium Unleaded Recommended for HEMI (5.7L)

🔧 Transmission

Type:

4-Speed Automatic

Drive Layout:

RWD / 4WD

Type:

5-Speed Automatic (Mercedes-Benz sourced)

Drive Layout:

RWD / 4WD

Selectable Modes:

Available 'AutoStick' manual shifting mode

42Rle Fluid Type:

ATF+4 (MS-9602)

Nag1 Fluid Type:

MB 236.10 Specification ATF (e.g., Pentosin ATF1)

📐 Dimensions

Length:

189.8 inches (4821 mm)

Width:

74.9 inches (1902 mm)

Height:

69.4 inches (1763 mm)

Wheelbase:

114.8 inches (2916 mm)

Passenger Volume:

Approximately 105.4 cu. ft. (2985 L)

Cargo Volume Behind 2Nd Row:

39.4 cu. ft. (1116 L)

Cargo Volume With 2Nd Row Folded:

68.7 cu. ft. (1945 L)

Curb Weight Min:

Approx. 4,567 lbs (2071 kg) (4x2 V6)

Curb Weight Max:

Approx. 5,053 lbs (2292 kg) (4x4 5.7L HEMI)

Towing Capacity Max:

Up to 7,400 lbs (3357 kg) with 5.7L HEMI and tow package

🛡️ Safety Features

NHTSA Front Crash Test:

5-Star (Driver and Passenger)

NHTSA Side Crash Test:

5-Star (Front and Rear Passenger)

IIHS Front Offset Crash Test:

Good

Traction Control:

Standard

Electronic Stability Program:

Standard (ESP)

Antilock Braking System:

Standard (ABS)

Brake Assist:

Standard (BAS)

Airbags:

Standard multi-stage front airbags, available side-curtain airbags

Seatbelts:

Three-point seatbelts with pretensioners

💡 Technology Features

Audio System:

Available Boston Acoustics premium audio system, Uconnect infotainment system (on select trims)

Navigation:

Optional factory navigation system

Parking Sensors:

Available rear park assist

Cruise Control:

Standard

Bluetooth:

Available Uconnect Bluetooth hands-free

🔧 Maintenance

Oil Change Interval Synthetic:

Every 7,500 to 10,000 miles or 6-12 months (depending on oil type and driving conditions)

Air Filter Replacement:

Every 30,000 miles or as needed based on inspection

Cabin Air Filter Replacement:

Every 15,000 to 20,000 miles or annually

Spark Plug Replacement 3.7L/4.7L:

Approximately 100,000 miles (using specific OE plugs)

Spark Plug Replacement 5.7L Hemi:

Approximately 100,000 miles (using specific OE plugs)

Coolant Flush:

Every 5 years or 100,000 miles

Engine Oil 3.7L/4.7L:

SAE 5W-20 (API SN or higher)

Engine Oil 5.7L Hemi:

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

Engine Oil Capacity:

Approx. 5 quarts (3.7L), 6 quarts (4.7L, 5.7L HEMI)

Coolant:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT formula (Chrysler MS-9769)

Brake Fluid:

DOT 3

Common Problems:

Crankshaft position sensor failure, various electrical gremlins (BCM, TIPM issues), front suspension clunks (ball joints/control arms), HEMI lifter tick, transmission solenoid issues (42RLE), exhaust manifold cracks (HEMI).

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing reputation for off-road capability and ruggedness, dating back to World War II.

Grand Cherokee Lineage:

The Grand Cherokee has evolved from a more rugged, truck-based SUV to a more refined, unibody platform, blending luxury with capability.

Model Generation:

Second Generation (2005-2010)

Platform Codeword:

WK

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan

🏆 Awards & Recognition

Initial Launch Awards:

Often praised for its blend of luxury, capability, and power, particularly the HEMI models.