🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Wk Generation Start Year:

2005

Wk Generation End Year:

2010

Vehicle Code:

WK

👋 Introduction

Vehicle Market Segment:

Mid-size luxury SUV, known for its off-road capability and upscale interior for its class.

Key Competitors:

Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Nissan Pathfinder, Honda Pilot, Lexus RX series.

Vehicle Selling Points:

Robust 4x4 systems (Quadra-Trac II, Quadra-Drive II), powerful Hemi engine options, comfortable and refined interior, strong towing capability, distinctive Jeep styling.

Manual Target Audience:

Professional automotive technicians, DIY mechanics, and owners seeking detailed repair and maintenance information.

📋 Manual Details

Covered Model Years:

2005, 2006, 2007, 2008, 2009, 2010

Covered Engines:

3.7L V6, 4.7L V8, 5.7L V8 HEMI, 6.1L V8 SRT HEMI

Covered Transmissions:

545RFE (4-speed Automatic), NAG1 (5-speed Automatic)

Estimated Page Count:

Approximately 2500+ pages (typical for a comprehensive workshop manual of this era)

Manual Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Systems:

Engine mechanical, lubrication system, cooling system, fuel system, ignition system, exhaust system, emission control system

Transmission Drivetrain:

Automatic transmission (545RFE, NAG1) operation, diagnosis, repair, transfer case, drive shafts, differentials (front and rear), CV joints

Brakes Suspension Steering:

Brake system (hydraulic, ABS, ESC), suspension components (front and rear), steering system (power steering, steering column), wheel alignment

Electrical Electronics:

Battery, charging system, starting system, lighting system, instrument cluster, power accessories, body control module (BCM), power distribution, fuses and relays, OBD-II diagnostics

Body Chassis:

Body panels, doors, windows, interior trim, exterior trim, HVAC system, seats, safety systems (airbags, seat belts)

Maintenance Procedures:

Oil change, filter replacement, fluid checks and changes (coolant, brake fluid, transmission fluid, power steering fluid, differential fluid), spark plug replacement, air filter replacement, belt replacement

Repair Procedures:

Engine overhaul, transmission overhaul, brake pad and rotor replacement, suspension component replacement, steering rack replacement, radiator replacement, exhaust system repair, electrical component diagnosis and replacement

Diagnostic Procedures:

Troubleshooting guides, diagnostic trouble codes (DTCs), wiring diagrams, component testing, sensor testing, module diagnostics

Depth Of Coverage:

Comprehensive, covering routine maintenance, component-level diagnostics, troubleshooting, repair, and overhaul procedures for all major vehicle systems.

📊 Manual Specifications

File Format Details:

PDF, likely a scanned or digitally compiled version of factory service manuals. Searchable text is a significant benefit if available.

Print Quality Assessment:

Varies based on the source of the PDF. Typically, official service manuals have high-quality diagrams and text. Assess for clarity of images and legibility of text.

Binding Type:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Base Engine Option:

3.7L Power-Tech V6

3.7L V6 Horsepower:

210 hp @ 5200 rpm (approx.)

3.7L V6 Torque:

235 lb-ft @ 4000 rpm (approx.)

Optional Engine 1 Option:

4.7L Magnum V8

4.7L V8 Horsepower:

235 hp @ 4500 rpm (approx.)

4.7L V8 Torque:

300 lb-ft @ 3200 rpm (approx.)

Optional Engine 2 Option:

5.7L HEMI V8 (with Multi-Displacement System - MDS)

5.7L Hemi V8 Horsepower:

326-360 hp @ 5000-5400 rpm (depending on year)

5.7L Hemi V8 Torque:

370-390 lb-ft @ 4000-4400 rpm (depending on year)

High Performance Engine Option:

6.1L SRT HEMI V8 (SRT8 models)

6.1L Srt Hemi V8 Horsepower:

415-420 hp @ 6000-6300 rpm

6.1L Srt Hemi V8 Torque:

410-420 lb-ft @ 4800-5000 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline (Premium recommended for HEMI engines)

Engine Management:

Chrysler's proprietary engine control modules (ECMs)

🔧 Transmission

Standard Transmission:

545RFE 5-speed Automatic (some early models and base trims may have had 4-speed, but 5-speed became standard)

Optional Transmission:

NAG1 (W5A580) 5-speed Automatic (primarily with 5.7L HEMI and 6.1L SRT HEMI)

Transmission Control:

Electronic with overdrive, AutoStick manual shifting capability (on some models)

545Rfe Transmission Fluid Type:

ATF+4 (MS-9602)

Nag1 Transmission Fluid Type:

MB 236.10 specification Automatic Transmission Fluid (ATF)

📐 Dimensions

Length:

Approximately 189.8 inches

Width:

Approximately 74.9 inches

Height:

Approximately 69.9 inches

Wheelbase:

Approximately 114.8 inches

Curb Weight:

Approximately 4,400 - 5,000 lbs (depending on engine and drivetrain)

Max Towing Capacity:

Up to 7,400 lbs (with appropriate engine and towing package)

Cargo Volume Behind Rear Seat:

Approximately 39.5 cubic feet

Cargo Volume With Rear Seat Folded:

Approximately 72.4 cubic feet

🛡️ Safety Features

NHTSA Front Impact Driver:

5-star (for 2005-2007 models)

NHTSA Front Impact Passenger:

5-star (for 2005-2007 models)

IIHS Front Offset Test:

Good (for 2005-2007 models)

IIHS Side Impact Test:

Good (for 2005-2007 models)

Braking System:

Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD), Brake Assist

Stability Control:

Electronic Stability Program (ESP) / Electronic Stability Control (ESC) with traction control

Off Road Systems:

Hill Descent Control (HDC), Hill Start Assist (HSA) (with specific 4x4 systems)

Airbags:

Frontal airbags (driver and passenger), front side-impact airbags, available side curtain airbags

Seatbelts:

Front seat belt pretensioners, rear LATCH child seat anchors

💡 Technology Features

Infotainment System:

Uconnect infotainment system (optional, various generations), SiriusXM Satellite Radio, DVD Entertainment System (optional)

Navigation:

Optional GPS Navigation system

Parking Assistance:

ParkSense® Rear Park Assist System (optional)

Camera System:

Optional rearview camera

Connectivity Features:

Bluetooth hands-free calling (with Uconnect), auxiliary audio input

🔧 Maintenance

Oil Change Interval:

Every 5,000 - 7,500 miles or 6 months, whichever comes first (refer to owner's manual for specific engine/oil type)

Transmission Fluid Change Interval:

Every 30,000 - 60,000 miles (ATF+4 for 545RFE, MB 236.10 for NAG1; consult manual for exact interval and severe duty recommendations)

Coolant Change Interval:

Every 100,000 miles or 10 years with HOAT coolant

Engine Oil Specification:

SAE 5W-20 or 5W-30 (API certified, SN or SP) - consult manual for specific engine

Coolant Specification:

MOPAR Antifreeze/Coolant (OAT) or equivalent meeting Chrysler MS-9769 (often a pink colored HOAT coolant)

Brake Fluid Specification:

DOT 3

Power Steering Fluid Specification:

Chrysler MS-5901 (ATF+4 often a substitute if MS-5901 is unavailable)

Common Issue 1:

Transmission issues (especially early 545RFE solenoids, torque converter shudder, NAG1 internal leaks)

Common Issue 2:

Electronic throttle control (ETC) problems, leading to limp mode

Common Issue 3:

Water pump failures, especially on the 4.7L V8

Common Issue 4:

Fuel pump failures

Common Issue 5:

HVAC blower motor resistor failure, AC system leaks

Common Issue 6:

Sagging rear liftgate struts, door lock actuator failures

Common Issue 7:

Suspension and steering component wear (ball joints, tie rod ends)

📚 Vehicle History

Jeep Heritage:

Jeep is an American brand of American automobiles that is a division of Stellantis. Known for its rugged, off-road capable vehicles dating back to World War II.

Grand Cherokee Lineage:

The Grand Cherokee has been Jeep's flagship SUV since its introduction in 1993, blending luxury, comfort, and off-road prowess. The WK generation (2005-2010) represented a significant redesign focusing on improved on-road manners and a more refined interior.

Wk Production Locations:

Jefferson North Assembly Plant, Detroit, Michigan, USA

🏆 Awards & Recognition

Vehicle Awards Examples:

Often praised for its capability, particularly in higher trims with advanced 4x4 systems. While specific awards varied by year and trim, it was generally well-regarded within the premium SUV segment for its blend of luxury and off-road heritage.