1999-2004 Jeep Grand CHEROKEE WJ All ModelS Factory Service Repair Manual (Free Preview # 1 Top Rated Original FSM)

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Chassis Code: WJ Model Years Covered: 1999-2004 Trim Levels Covered: All Models (Laredo, Limited, Overland, Special Editions) 👋 Introduction Market Position Vehicle Segment: Mid-size Luxury SUV Target Audience: Families, Outdoor Enthusiasts, Consumers seeking a capable and comfortable SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery Key Features Vehicle Strengths: Renowned Off-Road Capability (Quadra-Drive II), Comfortable Ride, Spacious Interior, Powerful Engine Options, Luxurious Appointments (Limited/Overland trims) Manual Value Proposition: Provides comprehensive, factory-accurate repair and maintenance information for the entire WJ generation, enabling owners and technicians to perform all necessary service and repairs. 📋 Manual Details Coverage Areas Engine Options: 4.0L I6 (PowerTech), 4.7L V8 (PowerTech) Transmission Options: 42RE Automatic (4.0L), 45RFE/545RFE Automatic (4.7L) Drivetrain Options: 2WD (Select Models), 4WD (Quadra-Trac II, Quadra-Drive) Page Count Estimated Page Count: 2000+ (typical for comprehensive FSMs of this era) Manual Type Type: Factory Service Manual (FSM) / Workshop Repair Manual Language Language: English Format Digital Format: PDF Features: Searchable Text, Bookmarks 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L I6, 4.7L V8), Fuel System, Exhaust System, Cooling System, Ignition System, Starting System, Charging System, Transmission (42RE, 45RFE/545RFE), Transfer Case (NV231, NV242, NV247), Drivelines, Differentials (Front, Rear) Chassis: Suspension (Front - Solid Axle/Live Axle, Rear - Multi-Link), Steering System, Brake System (Front Disc, Rear Disc), Anti-lock Braking System (ABS), Traction Control System (TCS), Wheel Bearing/Hubs Electrical: Body Control Module (BCM), Powertrain Control Module (PCM), Instrument Cluster, Lighting (Interior/Exterior), HVAC Controls, Power Accessories (Windows, Locks, Seats, Mirrors), Audio System, Security System (Sentry Key Immobilizer), Diagnostic Trouble Codes (DTCs) Body And Trim: Body Panels, Doors, Hood, Liftgate, Bumpers, Glass, Seats, Interior Trim, Exterior Trim, Roof Rack Systems Procedures Included Routine Maintenance: Oil and Filter Change, Air Filter Replacement, Spark Plug Replacement, Coolant Flush, Brake Fluid Flush, Differential Fluid Change, Transfer Case Fluid Change, Transmission Fluid Change, Lubrication Points Diagnostics And Troubleshooting: Engine Performance Issues, Transmission Shifting Problems, Electrical System Faults, HVAC Malfunctions, Drivetrain Noises, Brake Performance Issues, Suspension Alignment Problems Repair And Rebuild: Engine Component Replacement (e.g., Head Gaskets, Pistons, Valves), Transmission Overhaul, Suspension Component Replacement (e.g., Shocks, Struts, Ball Joints, Bushings), Brake System Component Replacement (e.g., Rotors, Calipers, Lines), Steering Component Replacement (e.g., Tie Rods, Steering Gear), Electrical Component Replacement (e.g., Alternator, Starter, PCM, BCM), Body Panel Repair and Replacement Technical Specifications: Torque Specifications, Fluid Capacities, Lubricant Types, Belt Routing Diagrams, Wiring Diagrams, Vacuum Diagrams, Component Identification, Diagnostic Charts Technical Depth Depth: Comprehensive (Factory Level), Suitable for Professional Technicians and Advanced DIY Enthusiasts 📊 Manual Specifications File Format File Type: PDF (Optimized for Search and Navigation) Print Quality Image Resolution: High Resolution (Clear Diagrams and Text) Readability: Excellent (Designed for on-screen viewing and selective printing) Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Simulation: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Name: PowerTech 4.0L I6 Engine 1 Displacement: 3952 cc (241 cu in) Engine 1 Configuration: Inline 6-Cylinder, Overhead Valve (OHV) Engine 1 Horsepower: 185 hp @ 4600 rpm (approx.) Engine 1 Torque: 235 lb-ft @ 3200 rpm (approx.) Optional Engine Engine 2 Name: PowerTech 4.7L V8 Engine 2 Displacement: 4701 cc (287 cu in) Engine 2 Configuration: V-8, Single Overhead Cam (SOHC), 16 Valves Engine 2 Horsepower: 220-235 hp @ 4700-5200 rpm (varies by year/tune) Engine 2 Torque: 285-325 lb-ft @ 3200-3500 rpm (varies by year/tune) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Ignition System: Distributorless Ignition System (DIS) with Coil-on-Plug (COP) for 4.7L V8 (later years), Distributor with Coil Pack for 4.0L I6 🔧 Transmission Standard Transmission Standard Type: 4-Speed Automatic Transmission Standard Model 4 0L: 42RE Optional Transmission Optional Type: 4-Speed Automatic Transmission Optional Model 4 7L: 45RFE / 545RFE (later models) Features Overdrive: Yes (4th Gear) Transfer Case Options: NV231 HD (4WD), NV242 (4WD Selec-Trac), NV247 (4WD Quadra-Trac II), NV247 (4WD Quadra-Drive) Fluid Specifications Fluid Type 42Re: ATF+3 (Mopar) or equivalent Fluid Type 45Rfe 545Rfe: ATF+4 (Mopar) or equivalent 📐 Dimensions Exterior Wheelbase: 116.0 inches (2946 mm) Length: 186.0 inches (4724 mm) Width: 74.8 inches (1899 mm) Height: 70.7 inches (1796 mm) Ground Clearance: 8.7 inches (221 mm) (approx., varies with tire size) Weights Curb Weight: 4400 - 4800 lbs (approx., varies with configuration) Towing Capacity: Up to 6,500 lbs (when properly equipped with towing package) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4/5 Stars (for 2WD and 4WD models) Active Features ABS: Standard (Anti-lock Braking System) Traction Control: Standard (Traction Control System - TCS) All Wheel Drive: Optional (Quadra-Trac II, Quadra-Drive) Passive Features Airbags: Driver and Passenger Front Airbags (Standard), Optional Side Impact Airbags Seat Belts: Three-point seat belts for all occupants, pretensioners for front seats 💡 Technology Features Infotainment Audio System: AM/FM Stereo with CD Player (single or 10-disc changer), optional premium...

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Sku: 436203

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Availability: In stock

Tags: 1999 2000 2001 2002 2003 2004 Car Cars Grand Cherokee WJ Jeep Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Chassis Code:

Model Years Covered:

1999-2004

Trim Levels Covered:

All Models (Laredo, Limited, Overland, Special Editions)

👋 Introduction

Market Position

Vehicle Segment:

Mid-size Luxury SUV

Target Audience:

Families, Outdoor Enthusiasts, Consumers seeking a capable and comfortable SUV

Competitive Analysis

Key Competitors:

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

Key Features

Vehicle Strengths:

Renowned Off-Road Capability (Quadra-Drive II), Comfortable Ride, Spacious Interior, Powerful Engine Options, Luxurious Appointments (Limited/Overland trims)

Manual Value Proposition:

Provides comprehensive, factory-accurate repair and maintenance information for the entire WJ generation, enabling owners and technicians to perform all necessary service and repairs.

📋 Manual Details

Coverage Areas

Engine Options:

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

Transmission Options:

42RE Automatic (4.0L), 45RFE/545RFE Automatic (4.7L)

Drivetrain Options:

2WD (Select Models), 4WD (Quadra-Trac II, Quadra-Drive)

Page Count

Estimated Page Count:

2000+ (typical for comprehensive FSMs of this era)

Manual Type

Type:

Factory Service Manual (FSM) / Workshop Repair Manual

Language

Language:

English

Format

Digital Format:

Features:

Searchable Text, Bookmarks

📖 Manual Coverage

Systems Covered

Powertrain:

Engine (4.0L I6, 4.7L V8), Fuel System, Exhaust System, Cooling System, Ignition System, Starting System, Charging System, Transmission (42RE, 45RFE/545RFE), Transfer Case (NV231, NV242, NV247), Drivelines, Differentials (Front, Rear)

Chassis:

Suspension (Front - Solid Axle/Live Axle, Rear - Multi-Link), Steering System, Brake System (Front Disc, Rear Disc), Anti-lock Braking System (ABS), Traction Control System (TCS), Wheel Bearing/Hubs

Electrical:

Body Control Module (BCM), Powertrain Control Module (PCM), Instrument Cluster, Lighting (Interior/Exterior), HVAC Controls, Power Accessories (Windows, Locks, Seats, Mirrors), Audio System, Security System (Sentry Key Immobilizer), Diagnostic Trouble Codes (DTCs)

Body And Trim:

Body Panels, Doors, Hood, Liftgate, Bumpers, Glass, Seats, Interior Trim, Exterior Trim, Roof Rack Systems

Procedures Included

Routine Maintenance:

Oil and Filter Change, Air Filter Replacement, Spark Plug Replacement, Coolant Flush, Brake Fluid Flush, Differential Fluid Change, Transfer Case Fluid Change, Transmission Fluid Change, Lubrication Points

Diagnostics And Troubleshooting:

Engine Performance Issues, Transmission Shifting Problems, Electrical System Faults, HVAC Malfunctions, Drivetrain Noises, Brake Performance Issues, Suspension Alignment Problems

Repair And Rebuild:

Engine Component Replacement (e.g., Head Gaskets, Pistons, Valves), Transmission Overhaul, Suspension Component Replacement (e.g., Shocks, Struts, Ball Joints, Bushings), Brake System Component Replacement (e.g., Rotors, Calipers, Lines), Steering Component Replacement (e.g., Tie Rods, Steering Gear), Electrical Component Replacement (e.g., Alternator, Starter, PCM, BCM), Body Panel Repair and Replacement

Technical Specifications:

Torque Specifications, Fluid Capacities, Lubricant Types, Belt Routing Diagrams, Wiring Diagrams, Vacuum Diagrams, Component Identification, Diagnostic Charts

Technical Depth

Depth:

Comprehensive (Factory Level), Suitable for Professional Technicians and Advanced DIY Enthusiasts

📊 Manual Specifications

File Format

File Type:

PDF (Optimized for Search and Navigation)

Print Quality

Image Resolution:

High Resolution (Clear Diagrams and Text)

Readability:

Excellent (Designed for on-screen viewing and selective printing)

Binding Type

Digital Binding:

N/A (Digital Download)

Paper Type

Digital Paper Simulation:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine 1 Name:

PowerTech 4.0L I6

Engine 1 Displacement:

3952 cc (241 cu in)

Engine 1 Configuration:

Inline 6-Cylinder, Overhead Valve (OHV)

Engine 1 Horsepower:

185 hp @ 4600 rpm (approx.)

Engine 1 Torque:

235 lb-ft @ 3200 rpm (approx.)

Optional Engine

Engine 2 Name:

PowerTech 4.7L V8

Engine 2 Displacement:

4701 cc (287 cu in)

Engine 2 Configuration:

V-8, Single Overhead Cam (SOHC), 16 Valves

Engine 2 Horsepower:

220-235 hp @ 4700-5200 rpm (varies by year/tune)

Engine 2 Torque:

285-325 lb-ft @ 3200-3500 rpm (varies by year/tune)

Fuel System

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Ignition System:

Distributorless Ignition System (DIS) with Coil-on-Plug (COP) for 4.7L V8 (later years), Distributor with Coil Pack for 4.0L I6

🔧 Transmission

Standard Transmission

Standard Type:

4-Speed Automatic Transmission

Standard Model 4 0L:

Optional Transmission

Optional Type:

4-Speed Automatic Transmission

Optional Model 4 7L:

45RFE / 545RFE (later models)

Features

Overdrive:

Yes (4th Gear)

Transfer Case Options:

NV231 HD (4WD), NV242 (4WD Selec-Trac), NV247 (4WD Quadra-Trac II), NV247 (4WD Quadra-Drive)

Fluid Specifications

Fluid Type 42Re:

ATF+3 (Mopar) or equivalent

Fluid Type 45Rfe 545Rfe:

ATF+4 (Mopar) or equivalent

📐 Dimensions

Exterior

Wheelbase:

116.0 inches (2946 mm)

Length:

186.0 inches (4724 mm)

Width:

74.8 inches (1899 mm)

Height:

70.7 inches (1796 mm)

Ground Clearance:

8.7 inches (221 mm) (approx., varies with tire size)

Weights

Curb Weight:

4400 - 4800 lbs (approx., varies with configuration)

Towing Capacity:

Up to 6,500 lbs (when properly equipped with towing package)

🛡️ Safety Features

Ratings

NHTSA Rollover Rating:

4/5 Stars (for 2WD and 4WD models)

Active Features

Standard (Anti-lock Braking System)

Traction Control:

Standard (Traction Control System - TCS)

All Wheel Drive:

Optional (Quadra-Trac II, Quadra-Drive)

Passive Features

Airbags:

Driver and Passenger Front Airbags (Standard), Optional Side Impact Airbags

Seat Belts:

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

💡 Technology Features

Infotainment

Audio System:

AM/FM Stereo with CD Player (single or 10-disc changer), optional premium audio systems (Infinity)

Navigation:

Optional factory navigation system available on higher trim levels

Driver Assistance

Cruise Control:

Standard

Parking Assistance:

Rear parking assist sensors available on some models

Connectivity

Onboard Diagnostics:

OBD-II compliant for engine and emissions diagnostics

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 5,000 - 7,500 miles or 6 months, whichever comes first (depending on driving conditions and oil type used, consult manual for specifics)

Engine Air Filter:

Inspect every 15,000 miles, replace as needed or every 30,000 miles

Spark Plugs:

4.0L I6: Approx. 100,000 miles (Long Life Platinum), 4.7L V8: Approx. 100,000 miles (Long Life Platinum)

Coolant Flush:

Every 30,000 miles or 2 years (Mopar Antifreeze/Coolant 10 Year/100,000 Mile Formula or equivalent HOAT)

Fluid Specifications

Engine Oil Type:

SAE 5W-30 (API Certified for gasoline engines)

Engine Oil Capacity 4 0L:

5.0 US quarts (4.7 L) with filter

Engine Oil Capacity 4 7L:

6.0 US quarts (5.7 L) with filter

Brake Fluid Type:

DOT 3

Power Steering Fluid:

Mopar Power Steering Fluid or equivalent ATF+3

Known Issues

Common Problems Powertrain:

Head gasket leaks (especially 4.7L V8), Radiator leaks/overheating, Transmission solenoid issues (42RE), Transfer case chain stretch/wear, Cracked exhaust manifolds (4.0L I6)

Common Problems Chassis Suspension:

Worn front axle U-joints, worn control arm bushings, leaking steering gear, premature wear of steering components, sagging headliner

Common Problems Electrical:

Window regulator failure, climate control module failure, Sentry Key immobilizer issues, LCM (Lighting Control Module) failures, instrument cluster problems

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a storied history of producing rugged, capable off-road vehicles, dating back to its military origins in WWII.

Model Evolution

Wj Generation:

The WJ Grand Cherokee, launched for the 1999 model year, represented a significant redesign from its predecessor (ZJ). It featured a more refined interior, improved aerodynamics, and more advanced powertrain and chassis options, positioning it as a more luxurious and comfortable SUV.

Major Updates Wj:

Minor styling updates and powertrain enhancements occurred throughout the WJ's lifecycle, including the introduction of the more advanced 4.7L High Output V8 in later years and the improved 545RFE transmission.

Production

Manufacturing Location:

Detroit, Michigan, USA

Production Period:

1999 - 2004

🏆 Awards & Recognition

Recognitions

Automotive Press:

The WJ Grand Cherokee was generally well-received by automotive press for its blend of luxury, capability, and comfort, often praised for its off-road prowess and upscale interior compared to competitors.

Ratings

Consumer Reports:

Varied over the years; initial models often received good ratings, but some reliability concerns emerged in later years, particularly with the 4.7L V8 and early transmissions. The manual helps address and resolve many of these potential issues.