🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

2006

Chassis Code:

WK

Generation Code:

WK

Generation Years:

2005-2010

Engine Codes Covered:

4.0L (PowerTech I6), 4.7L (PowerTech V8)

👋 Introduction

Vehicle Segment:

Mid-size Luxury SUV

Jeep Positioning:

Combines Jeep's renowned off-road capability with luxury and on-road comfort.

Key Competitors:

Ford Explorer, Chevrolet TrailBlazer, Toyota Highlander, Nissan Murano.

Design Philosophy:

WK platform represented a significant shift towards a more refined and modern SUV, with improved on-road dynamics.

Off Road Capability:

Retained legendary Jeep off-road prowess with available 4x4 systems (Quadra-Trac II, Quadra-Drive II).

User Benefit Maintenance:

Enables proactive maintenance for long-term vehicle health.

User Benefit Repair:

Provides detailed instructions for DIY repairs and troubleshooting.

User Benefit Knowledge:

Educates owners on vehicle systems and preventative measures.

📋 Manual Details

Coverage Scope:

Comprehensive service and repair for all systems.

Estimated Page Count:

Thousands (typical for a complete OEM service manual)

Type:

Digital Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine, Fuel System, Exhaust System, Transmission, Transfer Case, Differential & Driveline

Chassis:

Suspension, Brakes, Steering, Tires/Wheels, Frame & Bumpers

Electrical Electronics:

Audio/Video, Chime/Buzzer, Electronic Control Modules, Horn, Ignition Control, Instrument Cluster, Lamps, Message Systems, Power Systems, Restraints, Speed Control, Vehicle Theft Security, Wipers/Washers, Navigation/Telecommunication, Wiring

Body Comfort:

Body, Heating & Air Conditioning

Emissions:

Emissions Control (4.0L/4.7L)

Maintenance:

Lubrication, Scheduled Maintenance, Fluid Changes, Filter Replacements

Troubleshooting:

Diagnostic Trouble Codes (DTCs), Symptom-based diagnostics, Component testing

Repair:

Component removal and installation, System diagnostics and repair, Overhaul procedures

Installation:

Accessories, specific components (e.g., audio systems)

Depth:

Factory-level diagnostics, repair procedures, specifications, and wiring diagrams.

Diagnostic Tools:

Covers procedures for utilizing advanced diagnostic tools (e.g., WiTECH, scan tools).

Technical Specifications:

Torque specifications, clearances, fluid capacities, electrical values.

📊 Manual Specifications

Format Details:

PDF, searchable text, zoomable.

Print Capability:

Printable pages.

Binding:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Operating Systems:

Windows and macOS compatible.

Device Compatibility:

Usable on smartphones and tablets (requires extractor).

Zoom Functionality:

Yes

⚙️ Engine Specifications

Engine 1 Displacement:

4.0 Liters

Engine 1 Type:

Inline 6-Cylinder (PowerTech)

Engine 1 Horsepower:

205 hp @ 4800 rpm

Engine 1 Torque:

235 lb-ft @ 3200 rpm

Engine 1 Fuel System:

Electronic Fuel Injection (MPI)

Engine 2 Displacement:

4.7 Liters

Engine 2 Type:

V8 (PowerTech)

Engine 2 Horsepower:

235 hp @ 4500 rpm

Engine 2 Torque:

305 lb-ft @ 3800 rpm

Engine 2 Fuel System:

Electronic Fuel Injection (MPI)

Compression Ratio 4.0L:

8.8:1

Compression Ratio 4.7L:

9.1:1

🔧 Transmission

Transmission Type:

5-Speed Automatic (NAG1 for 4.7L, Mercedes-Benz derived)

Transmission Type 4.0L:

4-Speed Automatic (42RLE)

Transfer Case Options:

NV245 (Full-Time 4WD with Selec-Terrain), NV140 (Part-Time 4WD)

Automatic Transmission Fluid 42Rle:

Mopar ATF+4 (MS-9602)

Automatic Transmission Fluid Nag1:

Mopar ATF+4 (MS-9602) or equivalent approved fluid.

📐 Dimensions

Wheelbase:

116.1 inches (2950 mm)

Length:

188.8 inches (4800 mm)

Width:

74.4 inches (1890 mm)

Height:

69.3 inches (1760 mm)

Curb Weight Est 4.0L:

4,450 lbs (2018 kg)

Curb Weight Est 4.7L:

4,650 lbs (2109 kg)

Towing Capacity:

Up to 6,500 lbs (2948 kg) depending on configuration.

Payload Capacity Est:

Approx. 1,150 - 1,300 lbs (522 - 590 kg)

🛡️ Safety Features

NHTSA Frontal Driver 2006:

5 Stars

NHTSA Frontal Passenger 2006:

5 Stars

NHTSA Side Driver 2006:

5 Stars

NHTSA Side Rear Passenger 2006:

5 Stars

IIHS Front Offset Score:

Good (for models tested)

ABS:

Standard Anti-lock Braking System (ABS).

Esp:

Standard Electronic Stability Program (ESP) with Electronic Roll Mitigation (ERM).

Traction Control:

Traction Control System (TCS).

Airbags:

Standard front, side-curtain, and optional front-seat side airbags.

Seatbelts:

Pretensioning seatbelts.

Anti Theft:

Vehicle Theft Security System.

💡 Technology Features

Infotainment Options:

Available premium audio systems, SiriusXM satellite radio, optional navigation system.

Display Size Optional Nav:

6.5-inch touchscreen.

Cruise Control:

Standard Speed Control (Cruise Control).

Parking Assist:

Available rear parking assist sensors.

Phone Integration:

Optional Uconnect hands-free communication system.

Auxiliary Input:

Available auxiliary audio input jack.

🔧 Maintenance

Oil Change Interval:

Every 5,000 to 7,500 miles (or 6-12 months), depending on driving conditions (refer to manual for specifics).

Tire Rotation Interval:

Every 7,500 miles.

Engine Coolant Flush Interval:

Every 100,000 miles or 5 years for HOAT coolant.

Transmission Fluid Change Interval:

Every 60,000 to 100,000 miles (depending on usage and fluid type, consult manual).

Engine Oil Type 4.0L:

SAE 5W-30 Synthetic (API SN or higher).

Engine Oil Type 4.7L:

SAE 5W-30 Synthetic (API SN or higher).

Engine Oil Capacity 4.0L:

6.0 quarts (5.7 liters) with filter.

Engine Oil Capacity 4.7L:

7.0 quarts (6.6 liters) with filter.

Coolant Type:

Mopar OAT (Orange) Antifreeze/Coolant (MS-9709) or equivalent HOAT.

Brake Fluid Type:

DOT 3.

Power Steering Fluid Type:

Mopar Power Steering Fluid or ATF+4.

Common Problems:

Potential issues include ABS sensor failures, HVAC blower motor resistor issues, power window motor failures, and occasional transmission solenoid issues.

Common Problems Engine:

The 4.0L is generally very robust. The 4.7L can experience head gasket issues if overheated, though this is less common on later models. Cam phaser issues can occur on the 4.7L.

Common Problems Suspension:

Ball joint wear and control arm bushings can wear over time, especially with off-road use.

📚 Vehicle History

Jeep Legacy:

Founded in 1941, Jeep is synonymous with 4x4 capability and off-road adventure.

Wk Introduction:

The WK generation introduced a unibody construction for improved refinement over previous body-on-frame Grand Cherokees.

Wk Design Influence:

Styled under DaimlerChrysler ownership, it featured a more European-influenced design aesthetic.

Assembly Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA.

Production Span Wk:

2005-2010

🏆 Awards & Recognition

Year Awards:

The Grand Cherokee consistently received positive reviews for its blend of luxury and capability from automotive publications for its model years.