🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Generation:

WK

Platform Code:

WK

Chassis Code:

WK

👋 Introduction

Segment:

Mid-size Luxury SUV

Target Audience:

Individuals seeking a capable, comfortable, and off-road-ready SUV with premium features.

Key Competitors:

Ford Explorer, Toyota 4Runner, Nissan Pathfinder, Chevrolet TrailBlazer, Land Rover LR3/LR4, Lexus RX.

Off Road Capability:

Renowned Jeep off-road prowess with available advanced 4WD systems and robust chassis.

Luxury Appointments:

Upscale interior materials, comfortable seating, and advanced features for its time.

Powertrain Options:

Choice of powerful V6 and V8 engines, often paired with capable automatic transmissions.

Towing Capacity:

Strong towing capabilities, suitable for recreational vehicles and trailers.

📋 Manual Details

Supported Years:

2005, 2006, 2007, 2008

Supported Regions:

North America, Global (specific variations may apply)

Estimated Pages:

Extensive (typically 2000+ pages for comprehensive service manuals of this era)

Type:

Service Repair Manual

Language:

English

Format:

HTML

📖 Manual Coverage

Engine Mechanical:

Complete overhaul, diagnostics, repair procedures for all available engines.

Engine Electrical:

Ignition system, fuel injection, emissions controls, sensors, actuators, ECU troubleshooting.

Transmission Automatic:

Diagnostics, repair, fluid service, control module troubleshooting for Mercedes-Benz 5G-TRONIC (722.6) and Chrysler RFE (45RFE/545RFE).

Transmission Manual:

If equipped, coverage for available manual transmissions (e.g., NV3500).

Drivetrain:

4WD/AWD systems (e.g., Quadra-Trac II, Selec-Trac), differentials, transfer case, driveshafts, CV joints.

Suspension:

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

Steering:

Power steering system, steering rack, tie rods, steering column, diagnostics and repair.

Brakes:

Hydraulic system, ABS, traction control, brake pads, rotors, calipers, bleeding procedures, parking brake.

Electrical System:

Battery, charging system, lighting, power windows, locks, mirrors, seats, horn, fuses, relays, wiring diagrams.

Body And Interior:

Body panels, doors, hood, tailgate, interior trim, seats, dashboard, climate control system components.

HVAC:

Air conditioning, heating, ventilation system operation, components, and repair.

Body Control Module:

BCM functions, programming, diagnostics.

Safety Systems:

Airbag system diagnostics and repair, seatbelt mechanisms.

Routine Maintenance:

Oil changes, filter replacements, fluid checks, tire rotations, spark plug replacement.

Diagnostics:

Troubleshooting guides, DTC (Diagnostic Trouble Code) interpretation, symptom-based diagnosis.

Component Replacement:

Step-by-step instructions for replacing major and minor components.

Rebuilding Procedures:

Detailed overhaul instructions for engines and transmissions.

Wiring Diagrams:

Comprehensive electrical schematics for all vehicle systems.

Torque Specifications:

Precise torque values for all fasteners.

Alignment Specifications:

Wheel alignment angles and settings.

Lubrication Points:

Identification and type of lubricants for various components.

Depth:

Comprehensive, covering everything from basic owner maintenance to full engine and transmission rebuilds, including advanced electrical diagnostics.

📊 Manual Specifications

Format:

HTML

Searchability:

Likely text-searchable due to HTML format, facilitating quick information retrieval.

Printability:

Designed for easy reading and printing, allowing users to print specific sections or the entire manual.

Binding:

N/A (Digital format)

Paper:

N/A (Digital format)

⚙️ Engine Specifications

Engine Code V6:

3.7L PowerTech V6 (PentaStar predecessor)

Displacement V6:

3701 cc (225.9 ci)

Horsepower V6:

Approx. 210-235 hp (depending on year and calibration)

Torque V6:

Approx. 235-247 lb-ft (depending on year and calibration)

Engine Code V8:

4.7L Magnum V8 (early years) / 5.7L HEMI V8 (later years, '45 for 4.7L, '57 for 5.7L)

Displacement V8 4.7:

4701 cc (286.9 ci)

Horsepower V8 4.7:

Approx. 235-260 hp

Torque V8 4.7:

Approx. 300-320 lb-ft

Displacement V8 5.7:

5654 cc (345.1 ci)

Horsepower V8 5.7:

Approx. 350-360 hp

Torque V8 5.7:

Approx. 370-390 lb-ft

Fuel Delivery:

Multi-point Fuel Injection (MPI) for 3.7L V6, Multi-point Fuel Injection (MPI) and MDS (Multi-Displacement System) for 5.7L HEMI.

Fuel Type:

Unleaded gasoline

Ignition System:

Distributorless Ignition System (DIS) with coil-on-plug (COP) ignition.

🔧 Transmission

Transmission Type V6:

4-speed automatic (45RFE/545RFE) for 3.7L V6

Transmission Type V8:

5-speed automatic (722.6 Mercedes-Benz 5G-TRONIC) for 4.7L V8 and 5.7L HEMI V8.

Transfer Case Options:

Selec-Trac (full-time 4WD), Quadra-Trac II (2-speed transfer case with electronic range select).

Transmission Fluid V6:

ATF+4 (Chrysler spec)

Transmission Fluid V8:

MB 236.10 specification automatic transmission fluid (e.g., Mobil 1 Synthetic ATF or equivalent)

📐 Dimensions

Length:

Approx. 188.8 inches (4796 mm)

Width:

Approx. 74.9 inches (1903 mm)

Height:

Approx. 69.4 inches (1763 mm)

Wheelbase:

Approx. 114.5 inches (2908 mm)

Cargo Volume Behind 2Nd Row:

Approx. 31.5 cu ft (892 L)

Cargo Volume With 2Nd Row Folded:

Approx. 68.3 cu ft (1934 L)

Curb Weight V6:

Approx. 4,587 - 4,792 lbs (2080 - 2174 kg)

Curb Weight V8:

Approx. 4,777 - 5,013 lbs (2167 - 2274 kg)

Towing Capacity:

Up to 7,400 lbs (3357 kg) when properly equipped.

🛡️ Safety Features

NHTSA Front Impact Driver:

Five Stars (for models with side curtain airbags)

NHTSA Front Impact Passenger:

Five Stars (for models with side curtain airbags)

NHTSA Side Impact Front Seat:

Five Stars

NHTSA Side Impact Rear Seat:

Five Stars

IIHS Head Restraints Whiplash:

Good (for models with appropriate seat design)

IIHS Frontal Offset:

Good

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Electronic Traction Control (ETC)

Electronic Stability Control:

Available Electronic Stability Program (ESP)

Airbags Front:

Standard multi-stage front airbags.

Airbags Side Curtain:

Available front and rear side curtain airbags.

Seatbelts:

Three-point seat belts with pretensioners in all seating positions.

💡 Technology Features

Audio System:

Available premium Boston Acoustics or Harman Kardon sound systems, AM/FM/CD/MP3 players, SiriusXM Satellite Radio.

Navigation:

Optional factory-installed GPS navigation system.

Rear Entertainment:

Available rear-seat entertainment system with DVD player.

Parking Sensors:

Available rear park assist system.

Backup Camera:

Available rear backup camera (often integrated with navigation screen).

Bluetooth:

Available Uconnect Bluetooth hands-free communication system.

Remote Start:

Available remote start system.

🔧 Maintenance

Oil Change Interval:

Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, depending on driving conditions and oil type (synthetic recommended).

Engine Air Filter Replacement:

Every 15,000 - 30,000 miles (24,000 - 48,000 km), inspect more frequently.

Cabin Air Filter Replacement:

Every 15,000 - 20,000 miles (24,000 - 32,000 km), or annually.

Spark Plug Replacement V6:

Around 100,000 miles (160,000 km) with long-life iridium spark plugs.

Spark Plug Replacement V8:

Around 100,000 miles (160,000 km) with long-life iridium spark plugs.

Transmission Fluid Change:

Recommended every 30,000 - 50,000 miles (48,000 - 80,000 km), especially for heavy use or towing. Note: 722.6 transmission may have sealed design, consult manual for proper procedure.

Coolant Flush:

Every 30,000 - 50,000 miles (48,000 - 80,000 km).

Brake Fluid Flush:

Every 2-3 years or 30,000 miles (48,000 km).

Engine Oil V6:

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

Engine Oil V8:

SAE 5W-20, API SN or SP certified (especially for HEMI with MDS. Consult manual for specific requirements).

Coolant:

Mopar OAT (Orange) Antifreeze/Coolant, 50/50 mix with distilled water.

Power Steering Fluid:

Chrysler Power Steering Fluid (P/N 05143122AA or equivalent).

Ignition Coils And Plugs:

Can be prone to failure, especially on the 5.7L HEMI. Symptoms include misfires and rough running.

Front Suspension Components:

Wear in ball joints, control arm bushings, and tie rod ends is common due to the vehicle's weight and intended use.

Transfer Case Actuator Motor:

Can fail, leading to 4WD system warnings or loss of 4WD engagement.

Power Window Motors:

Can fail over time, causing windows to not operate.

Radiator And Cooling Fan:

Overheating issues can arise from radiator leaks or faulty cooling fan clutches/motors.

Transmission Issues 722.6:

Internal electronic failures, torque converter issues, and solenoid pack problems can occur, requiring specialized diagnostics.

📚 Vehicle History

Jeep Legacy:

Jeep, a brand with a long history of off-road capability and ruggedness, extending from military origins to consumer SUVs.

Wk Generation Introduction:

The WK generation Grand Cherokee was introduced for the 2005 model year, replacing the WJ. It marked a significant departure with a more modern design, improved interior, and the introduction of the powerful 5.7L HEMI V8 and a Mercedes-Benz sourced transmission.

Wk Mid Cycle Refresh:

A minor refresh occurred for the 2008 model year, including updated styling and some feature enhancements.

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA.

🏆 Awards & Recognition

Off Road Awards:

Consistently recognized for its off-road capability by automotive publications and organizations.

Towing Awards:

Praised for its robust towing capacity within its segment.

Epa Fuel Economy Estimates:

Varies by engine and drivetrain; generally in the range of 12-15 MPG city and 17-20 MPG highway.