🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Chassis Code:

WJ

Model Years:

1999, 2000, 2001, 2002, 2003, 2004

Internal Project Code:

WJ

👋 Introduction

Segment:

Mid-size Luxury SUV

Target Audience:

SUV buyers seeking capability, comfort, and premium features

Key Competitors:

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

Platform:

WJ platform, shared some underpinnings with Mercedes-Benz ML-Class of the era.

Off Road Capability:

Renowned Jeep off-road prowess with available Quadra-Trac II and Quadra-Drive systems.

Interior Comfort:

More refined and luxurious interior compared to its predecessor (ZJ Grand Cherokee).

📋 Manual Details

Primary Coverage:

Jeep Grand Cherokee WJ models 1999-2004

Secondary Coverage:

All trim levels and engine/transmission configurations for the specified years

Estimated Pages:

1000+

Type:

Factory Service Repair Manual

Purpose:

Comprehensive repair, maintenance, and diagnostics

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

2.7L CRD (Diesel), 4.0L I6 (PowerTech), 4.7L V8 (PowerTech)

Transmission:

42RE (4-Speed Automatic), 45RFE/545RFE (4-Speed Automatic), NV242 (2-Speed Transfer Case), NV247 (2-Speed NV247 QD Transfer Case)

Drivetrain:

Front Axle (Dana 30), Rear Axle (Dana 44A), Quadra-Trac II, Quadra-Drive

Brakes:

Front/Rear Disc Brakes, ABS (Anti-lock Braking System), Electronic Brake Force Distribution (EBD)

Suspension:

Front: Solid Axle (optional), Front Independent Suspension (Standard WJ), Rear: Solid Axle (Dana 44A)

Steering:

Power Rack and Pinion (IFS models), Power Steering system

Electrical:

Battery, Charging System, Starting System, Ignition System, Lighting, Fuses, Relays, Body Control Module (BCM), Powertrain Control Module (PCM), Instrument Cluster, HVAC Controls, Power Accessories (Windows, Locks, Seats)

Climate Control:

HVAC System, A/C Compressor, Heater Core, Blower Motor, Climate Control Modules

Exterior:

Body Panels, Doors, Hood, Tailgate, Bumpers, Glass, Seals

Interior:

Seats, Upholstery, Trim Panels, Dashboard, Center Console

Airbags:

Front Airbags, Side Airbags (if equipped), Occupant Restraint Controller (ORC)

Security:

Sentry Key Immobilizer System, Remote Keyless Entry (RKE)

Maintenance:

Oil Changes, Filter Replacements, Fluid Checks and Changes, Tire Rotation, Spark Plug Replacement, Belt Inspection/Replacement

Diagnostics:

Troubleshooting Guides, DTC (Diagnostic Trouble Code) Interpretation, Component Testing Procedures

Repair:

Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Repair, Body Panel Repair

Installation:

Component Replacement, Accessory Installation

Specifications:

Torque Specifications, Fluid Capacities, Electrical Schematics, Component Dimensions

Level:

Comprehensive Factory Level

Detail Level:

Detailed step-by-step instructions, diagnostic flowcharts, wiring diagrams, exploded views

📊 Manual Specifications

Type:

PDF

Searchability:

Searchable Text Content

Printability:

Printable

Resolution:

High Resolution (suitable for clear viewing and printing)

Type:

Digital Download (N/A for print binding)

Type:

Digital Download (N/A for paper type)

⚙️ Engine Specifications

Engine 1 Type:

4.0L Inline-6 'PowerTech'

Engine 1 Displacement:

3956 cc (241 cu in)

Engine 1 Power:

185 hp @ 4600 rpm (approx.)

Engine 1 Torque:

220 lb-ft @ 3200 rpm (approx.)

Engine 2 Type:

4.7L V8 'PowerTech'

Engine 2 Displacement:

4701 cc (287 cu in)

Engine 2 Power:

220-235 hp @ 4750-5000 rpm (approx.)

Engine 2 Torque:

285-325 lb-ft @ 3200-3500 rpm (approx.)

Engine 3 Type:

2.7L CRD (Common Rail Diesel) (Europe/Other Markets)

Engine 3 Displacement:

2685 cc (164 cu in)

Engine 3 Power:

163 hp @ 4000 rpm (approx.)

Engine 3 Torque:

295 lb-ft @ 1800-2000 rpm (approx.)

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 octane recommended for 4.0L, 89 octane for 4.7L); Diesel Fuel (for CRD)

🔧 Transmission

Transmission 1 Type:

42RE 4-Speed Automatic

Transmission 2 Type:

45RFE/545RFE 4-Speed Automatic (with improved shift quality and durability)

Transfer Case 1:

NV242 Selec-Trac (Full-Time 2WD/4WD)

Transfer Case 2:

NV247 Quadra-Drive (Full-Time 4WD with electronic limited-slip differentials)

Automatic Transmission Fluid Spec:

ATF+4 (Chrysler Material Standard MS-9602)

📐 Dimensions

Wheelbase:

116.1 inches (2949 mm)

Length:

186.6 inches (4740 mm)

Width:

73.5 inches (1867 mm)

Height:

67.4 inches (1712 mm)

Curb Weight Min:

4,275 lbs (1939 kg) (approx. for 4.0L)

Curb Weight Max:

4,745 lbs (2152 kg) (approx. for 4.7L with Quadra-Drive)

Gross Vehicle Weight Rating Gvwr:

5,700 - 6,400 lbs (2585 - 2903 kg) (depending on configuration)

Towing Capacity:

Up to 5,000 lbs (2268 kg) with proper equipment

🛡️ Safety Features

NHTSA Frontal Driver Crash Test:

5-Star (for 1999-2004 models)

NHTSA Frontal Passenger Crash Test:

5-Star (for 1999-2004 models)

IIHS Side Impact Rating:

Good (for models equipped with side airbags)

ABS:

Standard 4-wheel disc Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control (on select models/systems)

Airbags Standard:

Driver and front passenger airbags

Airbags Optional:

Side curtain airbags (available on later models)

Seatbelts:

Three-point seat belts for all occupants, front seat pretensioners

💡 Technology Features

Audio Systems:

Available premium Infinity Gold sound system, CD player, cassette player (early models)

Navigation:

Optional GPS navigation system (color screen on later models)

Cruise Control:

Standard speed-sensitive cruise control

Park Assist:

Rear park assist (available on some trims)

Remote Keyless Entry:

Standard or optional remote keyless entry system

Immobilizer:

Standard Sentry Key immobilizer system

🔧 Maintenance

Oil Change Interval:

Every 3,000 - 7,500 miles (5,000 - 12,000 km) or 6-12 months, depending on oil type and driving conditions (refer to manual for specific recommendations)

Transmission Fluid Change:

Every 30,000 - 60,000 miles (48,000 - 96,000 km) (inspect condition)

Coolant Flush:

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

Spark Plugs Replacement:

4.0L: 100,000 miles (160,000 km) (long-life plugs); 4.7L: 30,000 - 100,000 miles (48,000 - 160,000 km) (depending on plug type)

Engine Oil Spec 4.0L:

SAE 10W-30 (API Service SG or higher)

Engine Oil Spec 4.7L:

SAE 5W-30 (API Service SG or higher)

Coolant Spec:

Mopar Antifreeze/Coolant (Blue, HOAT) - 50/50 mix with distilled water

Brake Fluid Spec:

DOT 3

Common Issue 1:

Cracked cylinder heads on 4.7L V8 (especially early models with specific casting numbers)

Common Issue 2:

Radiator end tank leaks/cracks

Common Issue 3:

Water pump leaks

Common Issue 4:

Blend door actuator failures (HVAC system)

Common Issue 5:

Transfer case chain stretch/slippage (especially on Quadra-Trac II)

Common Issue 6:

Leaking valve cover gaskets

Common Issue 7:

Premature wear of front suspension components (ball joints, tie rod ends)

📚 Vehicle History

Jeep Legacy:

Jeep has a long-standing reputation for off-road capability and ruggedness, established by its military origins.

Zj To Wj Transition:

The WJ Grand Cherokee replaced the ZJ model, introducing a unibody construction with a more refined and aerodynamic design, and a significantly updated interior. It also featured more advanced suspension and powertrain options.

Manufacturing Plant:

Jefferson North Assembly Plant, Detroit, Michigan, USA

Production Run:

1999-2004

🏆 Awards & Recognition

Truck Of The Year:

Received recognition from various automotive publications, often praised for its blend of luxury and off-road capability within the SUV segment.

Urban Fuel Economy:

Approx. 13-15 MPG (4.0L) / 12-14 MPG (4.7L) (varies by year and configuration)

Highway Fuel Economy:

Approx. 17-19 MPG (4.0L) / 16-18 MPG (4.7L) (varies by year and configuration)

Emisiones Compliance:

Meets EPA emissions standards for its respective model years.