Jeep Grand Cherokee WJ 1999-2004 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Years Covered: 1999, 2000, 2001, 2002, 2003, 2004 Codes Chassis Code: WJ 👋 Introduction Market Position Market Segment: Mid-size...

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Type: Car

Vendor:

Sku: 389985

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

Product variants

Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Generation:

Years Covered:

1999, 2000, 2001, 2002, 2003, 2004

Codes

Chassis Code:

👋 Introduction

Market Position

Market Segment:

Mid-size Luxury SUV

Target Audience:

Owners seeking to perform DIY maintenance and repairs, independent repair shops.

Competitive Analysis

Competitors:

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

Key Features

Vehicle Strengths:

Off-road capability, comfortable ride, spacious interior, V8 engine option, towing capacity.

Manual Value Proposition:

Provides detailed, accurate information for maintaining and repairing the Jeep Grand Cherokee WJ, saving significant costs compared to dealership service.

Manual Value Proposition

Instant Download Benefit:

Immediate access to critical repair information without shipping delays or costs.

📋 Manual Details

Coverage Areas

Geographic Coverage:

Global (standard specifications likely US-centric)

Regions Covered:

North America, Europe, other international markets (standard configurations)

Page Count

Page Count:

Manual Type

Manual Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing system, lubrication, cooling.

Engine Performance:

Fuel delivery, ignition system, emissions control, turbocharging (if applicable).

Transmission Manual:

Manual transmission servicing, clutch, gearbox assembly, driveshafts.

Transmission Automatic:

Automatic transmission servicing, torque converter, valve body, planetary gears, transmission control module (TCM).

Drivetrain:

Transfer case (NV242, NV247), differentials (front and rear), axles, CV joints, driveshafts.

Brakes:

Hydraulic system, ABS, brake calipers, rotors, pads, master cylinder, power booster, parking brake.

Suspension:

Front and rear suspension, control arms, ball joints, steering knuckles, springs, shock absorbers, bushings.

Steering:

Power steering system, steering gear, tie rods, steering column, steering wheel.

Electrical System:

Battery, charging system (alternator), starting system (starter motor), wiring diagrams, lighting, fuses, relays.

Body And Frame:

Body panel removal and installation, interior trim, exterior trim, structural components, chassis.

HVAC:

Heating, Ventilation, and Air Conditioning system, compressor, condenser, evaporator, climate control module.

Interior Systems:

Seats, airbags, seat belts, power windows, power locks, sunroof, dashboard assembly.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspection.

Diagnostic Troubleshooting:

Systematic diagnosis of common and uncommon problems, DTC (Diagnostic Trouble Code) interpretation.

Repair Procedures:

Step-by-step instructions for component removal, repair, and reinstallation.

Overhaul Rebuild:

Complete disassembly and reassembly procedures for major components like engines and transmissions.

Wiring Diagrams:

Detailed electrical circuit diagrams for all vehicle systems.

Special Tools:

Identification and usage of specialized tools required for specific repairs.

Technical Depth

Depth Of Coverage:

Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds.

Diagnostic Capabilities:

Advanced diagnostic procedures, including symptom-based troubleshooting and component testing.

Torque Specifications:

Precise torque values for all critical fasteners.

Clearances Tolerances:

Engine component clearances, bearing tolerances, and other critical measurements.

📊 Manual Specifications

File Format

File Format:

Searchable Text:

Yes (typical for high-quality PDFs)

Print Quality

Print Quality:

High-resolution, suitable for printing individual pages or sections.

Binding Type

Binding Type:

N/A (Digital PDF)

Paper Type

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine 1 Code:

4.0L Inline-6 (PowerTech)

Engine 1 Displacement:

3956 cc (241.5 cu in)

Engine 1 Bore X Stroke:

98.5 mm x 86.6 mm (3.88 in x 3.41 in)

Engine 1 Compression Ratio:

8.8:1

Engine 1 Horsepower:

190-195 hp @ 4600 rpm (depending on year)

Engine 1 Torque:

235-237 lb-ft @ 3200 rpm (depending on year)

Engine 2 Code:

4.7L V8 (PowerTech)

Engine 2 Displacement:

4701 cc (286.9 cu in)

Engine 2 Bore X Stroke:

93.0 mm x 86.1 mm (3.66 in x 3.39 in)

Engine 2 Compression Ratio:

9.6:1

Engine 2 Horsepower:

220-235 hp @ 4700-4900 rpm (depending on year)

Engine 2 Torque:

295-325 lb-ft @ 3200-3500 rpm (depending on year)

Performance

Induction Type:

Naturally Aspirated (MPI - Multi-Point Fuel Injection)

Fuel System

Fuel Type:

Unleaded Gasoline

Fuel Octane Rating:

87 Octane (Minimum, 89 recommended for V8 for optimal performance)

🔧 Transmission

Standard

Transmission Type 4.0L:

4-Speed Automatic (42RE)

Optional

Transmission Type 4.7L:

4-Speed Automatic (45RFE/545RFE)

Transmission Manual Option:

None offered for WJ generation in North America.

Features

Transfer Case Options:

Selec-Trac (NV242), Quadra-Drive (NV247)

Transmission Fluid Spec 42Re:

ATF+4 (Chrysler Mopar material number 05013457AA or equivalent)

Transmission Fluid Spec 45Rfe/545Rfe:

ATF+4 (Chrysler Mopar material number 05013457AA or equivalent)

📐 Dimensions

Exterior

Wheelbase:

2885 mm (113.6 inches)

Length:

4676 mm (184.1 inches)

Width:

1839 mm (72.4 inches)

Height:

1750 mm (68.9 inches)

Ground Clearance:

Approx. 205 mm (8.1 inches)

Approach Angle:

Approx. 37.7 degrees

Departure Angle:

Approx. 29.0 degrees

Breakover Angle:

Approx. 22.7 degrees

Cargo

Cargo Volume Behind Rear Seat:

90.8 cu ft

Cargo Volume With Rear Seat Folded:

197.5 cu ft (approximate)

Weights

Curb Weight Min:

4270 lbs (1937 kg)

Curb Weight Max:

4546 lbs (2062 kg)

Towing Capacity:

Up to 5000 lbs (2268 kg) with proper equipment

🛡️ Safety Features

Ratings

NHTSA Driver Front Impact:

4 Stars (1999-2001)

NHTSA Passenger Front Impact:

4 Stars (1999-2001)

IIHS Front Offset Crash Test:

Good (1999-2001 models)

Active Features

Standard (4-wheel disc brakes with ABS)

Traction Control:

Optional/Standard on higher trims (e.g., Quadra-Drive)

Passive Features

Airbags:

Standard front airbags, optional side curtain airbags (later models/trims).

Seat Belts:

3-point front and rear seat belts

💡 Technology Features

Infotainment

Infotainment System Options:

Factory-installed AM/FM stereo with CD player, cassette tape player, optional Infinity premium sound system, optional navigation system (late models).

Driver Assistance

Driver Assistance Features:

Anti-lock Braking System (ABS), available traction control, available ParkSense parking assist (late models).

Connectivity

Connectivity Options:

Limited by modern standards. Basic auxiliary input might be available on later models. No Bluetooth or USB standard.

🔧 Maintenance

Service Intervals

Engine Oil Change Interval:

Every 3,000-7,500 miles (10W-30 or 5W-30 depending on temperature and engine, refer to manual for specifics)

Engine Oil Filter Replacement:

With every oil change.

Coolant Flush Interval:

Every 30,000-60,000 miles or 3-5 years (HOAT coolant recommended)

Transmission Fluid Change Interval:

Every 30,000-60,000 miles (depending on driving conditions, ATF+4)

Spark Plug Replacement 4.0L:

Approx. 100,000 miles (typically Champion copper or platinum)

Spark Plug Replacement 4.7L:

Approx. 100,000 miles (typically Champion platinum or iridium)

Fluid Specifications

Engine Oil Specification:

SAE 10W-30 (below 0°F), SAE 10W-30 (0°F to 80°F), SAE 5W-30 (below -20°F) - Check manual for precise recommendations.

Coolant Specification:

Chrysler HOAT (Hybrid Organic Acid Technology) Extended Life Antifreeze/Coolant, Type MS-9769 (Orange)

Brake Fluid Specification:

DOT 3

Power Steering Fluid:

Chrysler Mopar Power Steering Fluid or equivalent (ATF+4 may be used in some cases, verify)

Known Issues

Common Issue Cracked Cylinder Heads 4.7L:

Certain 4.7L V8 engines are prone to cracked cylinder heads, especially around exhaust ports. Early detection and replacement is crucial.

Common Issue Radiator Leaks:

Plastic end tanks on radiators can crack or leak over time.

Common Issue Water Pump Failures:

Water pumps can develop leaks or fail, particularly the 4.7L V8.

Common Issue Transfer Case Chain Stretch:

The transfer case chain in Quadra-Drive (NV247) systems can stretch, leading to clunking noises and performance issues.

Common Issue Wheel Speed Sensor Failures:

ABS and traction control issues often stem from failing wheel speed sensors.

Common Issue Ignition Coil Failures:

Individual ignition coils can fail, causing misfires.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep is a brand with a long history of off-road capability and utility vehicles, dating back to WWII.

Model Evolution

Wj Generation Introduction:

Introduced for the 1999 model year, replacing the ZJ Grand Cherokee. Featured a redesigned interior and exterior, and improved NVH (Noise, Vibration, and Harshness).

Wj Updates:

Facelift in 2004 included revised front and rear styling, updated interior materials, and engine enhancements (e.g., 545RFE transmission for V8).

Production

Production Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA

Production Years:

1999-2004

🏆 Awards & Recognition

Recognitions

Jdp Power Initial Quality Rankings:

Varied during its lifecycle, often mid-pack in its segment.

Ratings

Consumer Reports Reliability:

Generally rated average to below average for reliability, with specific issues noted (e.g., engine, transmission).

Certifications

Certifications:

N/A (Vehicle specific awards/ratings rather than manual certifications).