🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

2007

Chassis Code:

WK

Product Code Identifier:

Jeep Grand Cherokee WK 2007 Factory Service Repair Manual

👋 Introduction

Vehicle Segment:

Mid-size Luxury SUV

Target Audience:

Families, individuals seeking a capable and comfortable off-road oriented SUV.

Key Competitors:

Toyota 4Runner, Ford Explorer, Chevrolet TrailBlazer, Nissan Pathfinder, Land Rover LR3.

Off Road Capability:

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

Powertrain Options:

Range of V6 and V8 HEMI engines offering strong performance.

Interior Comfort:

Spacious and well-appointed interior with available premium materials.

📋 Manual Details

Primary Coverage:

Repair and adjustment procedures for the 2007 Jeep Grand Cherokee WK

Estimated Page Count:

Extensive (typical for factory service manuals covering all systems)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (likely PDF or similar, searchable)

📖 Manual Coverage

Engine Mechanical:

Complete disassembly, assembly, repair, and diagnosis of all engine variants.

Engine Performance:

Engine tuning, performance diagnostics, emissions control systems.

Transmission Automatic:

Service, repair, and diagnosis of automatic transmission (e.g., NAG1).

Transmission Manual:

Service and repair for any manual transmission variants (if applicable).

Drivetrain:

Front axle, rear axle, driveshafts, differentials, transfer case (e.g., NV245).

Brakes:

Hydraulic system, ABS, ESC, brake pad/rotor replacement, caliper service.

Suspension:

Front and rear suspension components, shock absorbers, springs, control arms, alignment.

Steering:

Power steering system, steering gear, tie rods, linkage.

Electrical System:

Battery, charging system, starting system, lighting, power distribution.

Body And Frame:

Body panel removal/installation, structural repairs, glass replacement.

Heating Ventilation Air Conditioning HVAC:

Refrigerant system, climate control modules, blower motor, actuators.

Comfort And Convenience:

Power seats, windows, locks, mirrors, sunroof, interior trim.

Airbags:

Airbag system diagnosis and service, SRS module.

Audio Video:

Radio, speakers, amplifier, entertainment systems.

Navigation:

Navigation system hardware and software service (if equipped).

Parking Assist:

Parking assist systems diagnosis and repair (if equipped).

Maintenance:

Oil change, filter replacement, fluid checks, spark plug replacement, brake service.

Troubleshooting:

Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides.

Repair:

Detailed step-by-step repair instructions for all major components.

Disassembly Assembly:

Comprehensive guides for removing and reinstalling all vehicle parts and systems.

Installation:

Instructions for installing new or replacement parts and accessories.

Specifications Data:

Torque specifications, clearances, fluid capacities, electrical schematics.

Diagnostic Tools:

Information on using specialized diagnostic tools and equipment.

Depth Level:

Comprehensive (covers basic maintenance to complete engine and transmission rebuilds).

User Level:

Suitable for professional mechanics and advanced DIY enthusiasts.

📊 Manual Specifications

Format Detail:

Likely a searchable PDF, potentially with interactive diagrams and hyperlinked sections.

Print Quality Suitability:

High resolution for clear display of text, diagrams, and photographs.

Binding Type If Printed:

N/A (digital format, but if printed, would be spiral-bound for lay-flat usability).

Paper Type If Printed:

N/A (digital format, but if printed, would be durable, coated paper).

⚙️ Engine Specifications

Engine Code 3.7L:

SOHC V6, 3.7L (226 cu in), Power: 210 hp @ 5200 rpm, Torque: 235 lb-ft @ 4000 rpm.

Engine Code 4.7L:

SOHC V8 (2V), 4.7L (287 cu in), Power: 235 hp @ 4500 rpm, Torque: 305 lb-ft @ 3600 rpm.

Engine Code 5.7L:

HEMI OHV V8 (3V), 5.7L (345 cu in), Power: 305 hp @ 5400 rpm, Torque: 334 lb-ft @ 4000 rpm (later models 357 hp/375 lb-ft).

Acceleration 0 60 Mph 5.7L:

Approximately 6.6 - 7.0 seconds (depending on configuration).

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI).

Fuel Type:

Unleaded Gasoline (Regular for 3.7L/4.7L, Premium recommended for 5.7L HEMI).

🔧 Transmission

Standard Transmission:

5-speed Automatic (W5A580 / NAG1 for 3.7L and 4.7L, 545RFE for 5.7L HEMI).

Optional Transmission:

N/A (Automatic was standard across all trims).

Transfer Case Options:

Command-Trac NV245 (full-time 4WD), Quadra-Drive II NV245 (full-time 4WD with electronic limited-slip differentials).

Transmission Fluid Spec Nag1:

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

Transmission Fluid Spec 545Rfe:

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

📐 Dimensions

Wheelbase:

114.7 inches (2913 mm)

Length:

188.8 inches (4800 mm)

Width:

74.8 inches (1899 mm)

Height:

69.6 inches (1768 mm)

Curb Weight Approx 4X2:

4,556 lbs (2,067 kg)

Curb Weight Approx 4X4:

4,823 lbs (2,188 kg)

Gross Vehicle Weight Rating Gvwr Approx:

6,500 lbs (2,948 kg)

Cargo Volume Behind 2Nd Row:

35.5 cubic feet (1005 liters)

Cargo Volume Behind 1St Row:

72.3 cubic feet (2047 liters)

🛡️ Safety Features

NHTSA Front Crash Test Driver:

5 Stars

NHTSA Front Crash Test Passenger:

5 Stars

NHTSA Side Crash Test Front Seat:

5 Stars

NHTSA Side Crash Test Rear Seat:

5 Stars

NHTSA Rollover Resistance:

4 Stars (often with higher risk for SUVs)

Electronic Stability Control Esc:

Standard (Jeep's Electronic Stability Program - ESP).

Anti Lock Brakes ABS:

Standard, 4-wheel disc brakes.

Traction Control:

Standard.

Airbags:

Front multi-stage airbags, front side-impact airbags, available full-length side curtain airbags.

💡 Technology Features

Infotainment System:

Available MyGIG infotainment system with touchscreen, navigation, and SiriusXM Satellite Radio.

Audio System:

Premium Boston Acoustics or Infinity audio systems available on higher trims.

Parking Sensors:

Available ParkSense rear park assist system.

Connectivity Features:

Uconnect hands-free communication with Bluetooth (available on some trims/packages).

🔧 Maintenance

Oil Change Interval:

Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, depending on driving conditions (refer to manual for specific recommendation).

Engine Air Filter Replacement:

Every 15,000 - 30,000 miles (24,000 - 48,000 km) or as needed based on inspection.

Spark Plug Replacement 3.7L/4.7L:

Approximately 100,000 miles (160,000 km) (uses platinum or iridium plugs).

Spark Plug Replacement 5.7L:

Approximately 100,000 miles (160,000 km) (uses platinum or iridium plugs).

Engine Oil 3.7L/4.7L:

SAE 5W-20, API SN or higher, Chrysler MS-6395 approved.

Engine Oil 5.7L:

SAE 5W-20 (with MDS), SAE 5W-30 (without MDS), API SN or higher, Chrysler MS-6395 approved.

Coolant Type:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (P/N 05162149AA or equivalent).

Brake Fluid Type:

DOT 3 or DOT 4.

Common Issues Electrical:

Water ingress in the TIPM (Totally Integrated Power Module) causing various electrical gremlins, faulty liftgate modules, window regulator issues.

Common Issues Mechanical:

Leaking valve covers, front differential pinion seal leaks, driveshaft clunk (especially on 5.7L HEMI models due to MDS operation), rear main seal leaks, catalytic converter failure.

Common Issues Suspension:

Worn ball joints and control arm bushings, premature wear on front struts/shocks.

Common Issues Powertrain:

Hesitation or rough running in the 5.7L HEMI due to MDS lifter issues or carbon buildup.

📚 Vehicle History

Jeep Legacy:

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

Wk Generation Introduction:

The WK Grand Cherokee was introduced for the 2005 model year, replacing the WJ. It was the first Grand Cherokee to offer a HEMI V8 option and featured a more modern, independent front suspension setup.

2007 Model Year Updates:

For 2007, Jeep introduced the more powerful 5.7L HEMI VVT (Variable Valve Timing) engine with multi-displacement system (MDS) for improved fuel economy, and updated the transmission to the 545RFE on HEMI models. Updated interior trim and features were also common.

Production Location:

Jefferson North Assembly, Detroit, Michigan, USA.

🏆 Awards & Recognition

Off Road Recognition:

Consistently rated as one of the most capable SUVs off-road within its class.

Consumer Reports Ratings:

Varied ratings over the years, often praised for performance and capability but sometimes criticized for reliability.

Manufacturer Certification:

Factory certified, implying comprehensive and accurate repair information direct from the manufacturer.