🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Generation:

WJ

Product Name:

Jeep Grand Cherokee WJ 44-4 Service Repair Manual

👋 Introduction

Segment:

Mid-size Luxury SUV

Target Audience:

Enthusiasts, DIY mechanics, professional technicians, fleet owners

Competitors:

Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery

Jeep Heritage:

Renowned off-road capability, robust construction, premium interior appointments

Wj Generation Focus:

Refined ride quality compared to previous generations, improved interior comfort and features, availability of more powerful V8 engine option

📋 Manual Details

Vehicle Model Years:

1999-2004

Engine Options Covered:

4.0L Inline-6 (AMC 242), 4.7L V8 (PowerTech, EVC)

Trim Levels Covered:

Laredo, Limited, Overland, Sport, Special Editions

Estimated Pages:

2000+

Type:

Factory Service Manual (FSM)

Language:

English

Format:

Digital (PDF/eBook)

📖 Manual Coverage

Powertrain:

Engine Mechanical, Engine Performance, Fuel System, Exhaust System, Ignition System, Cooling System, Lubrication System, Transmission (42RE, 45RFE/48RE), Transfer Case (NV242, NV247, NV231), Driveline (Axles, Driveshafts, Differentials)

Chassis:

Suspension (Front/Rear Solid Axle, Independent Front Suspension on some early models), Steering System, Brake System (Front Disc, Rear Disc/Drum), Wheel & Tire Specifications

Electrical:

Body Control Module (BCM), Powertrain Control Module (PCM), Lighting, Instruments & Gauges, Audio Systems, Power Accessories (Windows, Locks, Mirrors), Climate Control, Antilock Braking System (ABS), Cruise Control, Security System

Body And Trim:

Exterior Body Panels, Interior Trim, Seats, Doors, Glass, Roof System, Bumpers, HVAC System Components

Maintenance:

Scheduled Maintenance Intervals, Fluid Changes (Oil, Coolant, Transmission, Differential), Filter Replacements, Lubrication Points

Diagnostics:

Troubleshooting Charts, Symptom-to-Cause Analysis, Diagnostic Trouble Codes (DTCs) and Diagnosis, Wiring Diagrams, Component Testing

Repair And Rebuild:

Engine Overhaul Procedures, Transmission Rebuilds, Suspension Component Replacement, Brake Caliper/Rotor Service, Drivetrain Component Repair, Electrical Component Replacement and Repair

Specifications And Tolerances:

Torque Specifications, Clearances, Alignment Data, Component Dimensions

Depth:

Comprehensive (from basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics)

📊 Manual Specifications

Searchable Text:

Yes (typically)

Printable:

Yes

Quality:

High-resolution scans, clear diagrams and illustrations

Binding:

N/A (Digital)

Paper:

N/A (Digital)

⚙️ Engine Specifications

Engine 1 Type:

Inline-6 Cylinder

Engine 1 Displacement:

4.0 Liters (242 cubic inches)

Engine 1 Code:

AMC 242 (PowerTech)

Engine 1 Horsepower Range:

190-205 hp

Engine 1 Torque Range:

235-255 lb-ft

Engine 2 Type:

V8 Cylinder

Engine 2 Displacement:

4.7 Liters (285 cubic inches)

Engine 2 Code:

PowerTech (EVC)

Engine 2 Horsepower Range:

220-255 hp

Engine 2 Torque Range:

267-312 lb-ft

Fuel Delivery:

Electronic Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Compression Ratio 4.0L:

8.8:1

Compression Ratio 4.7L:

8.7:1

🔧 Transmission

Transmission Type 4.0L:

4-Speed Automatic (42RE)

Transmission Type 4.7L:

4-Speed Automatic (45RFE / 48RE)

Transfer Case Options:

Selec-Trac (NV242), Quadra-Trac II (NV247), Command-Trac (NV231 on some base models)

Transmission Fluid Spec 42Re:

ATF+3 (Mopar)

Transmission Fluid Spec 45Rfe 48Re:

ATF+4 (Mopar)

📐 Dimensions

Wheelbase:

116.1 inches

Length:

184.5 inches

Width:

73.5 inches

Height:

66.7 inches

Curb Weight Range:

4,300 - 4,700 lbs

Towing Capacity Range:

5,000 - 7,200 lbs (depending on engine, axle ratio, and towing package)

🛡️ Safety Features

NHTSA Front Impact Driver:

4/5 Stars (1999-2001 models)

NHTSA Front Impact Passenger:

4/5 Stars (1999-2001 models)

IIHS Side Impact:

Good (for applicable model years/configurations)

ABS:

Standard (4-wheel disc brakes)

Traction Control:

Optional (on some models/trims)

Airbags:

Driver and Passenger front airbags, Optional side airbags

Seat Belts:

3-point seat belts with pretensioners

💡 Technology Features

Audio Systems:

Factory AM/FM/CD, optional premium Infinity Gold sound system with subwoofer.

Navigation:

Optional factory navigation system available on higher trims.

Cruise Control:

Standard on most trims.

Parking Sensors:

Optional rear park assist system.

Power Accessories:

Power windows, power door locks, power mirrors standard on most trims.

Remote Keyless Entry:

Standard on most trims.

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles or 6-12 months, depending on oil type and driving conditions (refer to specific year/model recommendations).

Transmission Fluid Service:

Every 30,000-60,000 miles or as recommended by the manufacturer.

Coolant Change:

Every 30,000-100,000 miles, depending on coolant type.

Engine Oil 4.0L:

SAE 10W-30 API Service SG or higher (or 10W-40 for severe conditions)

Engine Oil 4.7L:

SAE 5W-30 API Service SL or higher (or 10W-30 for severe conditions)

Coolant:

Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant (50/50 mix with distilled water)

Cooling System Leaks:

Common leaks from radiator, heater core, and water pump. Plastic end tanks on radiators can become brittle.

Head Gasket Failure:

More prevalent on early 4.7L V8 models, particularly if overheated.

Transmission Issues:

Solenoid pack issues in 45RFE/48RE, occasional torque converter shudder.

Transfer Case Slippage:

NV247 Quadra-Trac II can experience slippage if fluid is degraded or if the clutch pack wears.

Power Steering Pump Noise:

Can develop whining noise, especially when turning.

Climate Control Actuators:

Blend door actuators can fail, leading to incorrect temperature or air direction.

Rust And Corrosion:

Varies by region, but can affect rocker panels, rear quarter panels, and frame components, especially in areas with road salt.

📚 Vehicle History

Jeep Legacy:

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

Wj Introduction:

Introduced for the 1999 model year, the WJ was a significant redesign from the previous ZJ Grand Cherokee, featuring a unibody construction with improved aerodynamics and a more car-like ride.

Wj Facelift:

Received a facelift for the 2002 model year, with updated exterior styling (grille, headlights, taillights) and interior refinements, including a redesigned dashboard and improved materials. The 4.7L V8 also saw power increases.

Production Years:

1999-2004

Manufacturing Locations:

Detroit, Michigan, USA; Toluca, Mexico

🏆 Awards & Recognition

Motor Trend SUV Of The Year:

Jeep Grand Cherokee (ZJ generation predecessor) won MotorTrend SUV of the Year in 1993.

Other Automotive Press Awards:

The WJ generation was generally well-received by automotive press for its blend of comfort, capability, and luxury for its time.