Jeep Grand Cherokee WG 1999-2004 Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: WG Production Years Covered: 1999, 2000, 2001, 2002, 2003, 2004 👋 Introduction Market Position Vehicle Segment: Mid-size SUV Target...

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类型: Car

斯库: 411075

标签: 1999 2000 2001 2002 2003 2004 Car Cars Grand Cherokee WG Jeep Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Model Code:

Production Years Covered:

1999, 2000, 2001, 2002, 2003, 2004

👋 Introduction

Market Position

Vehicle Segment:

Mid-size SUV

Target Audience:

Off-road enthusiasts, families, individuals seeking a capable and comfortable SUV

Competitive Analysis

Key Competitors:

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

Key Features

Platform Designation:

WJ platform

Body Style:

5-door SUV

Chassis Type:

Unibody construction with integrated body-frame

Off Road Capability:

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

📋 Manual Details

Coverage Areas

Comprehensive Coverage:

Page Count

Estimated Page Count:

1500+

Manual Type

Manual Type:

Service and Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine mechanical, fuel system, ignition system, lubrication, cooling, exhaust, emissions control

Transmission Systems:

Automatic transmission (NV3500, NV247, NV245, 45RFE/545RFE), manual transmission (if applicable), transfer case

Drivetrain Systems:

Front axle, rear axle, drive shafts, CV joints, differentials

Suspension Systems:

Front suspension (independent, Quadra-Coil/Coil springs), rear suspension (multi-link, solid axle), steering system

Brake Systems:

Front and rear disc brakes, ABS, brake fluid

Electrical Systems:

Battery, charging system, starting system, lighting, instrumentation, body controls, power accessories, CAN bus system

HVAC Systems:

Heating, ventilation, air conditioning system

Body And Chassis:

Frame, body panels, doors, windows, interior trim, bumpers

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and changes, tire rotation, spark plug replacement, belt inspection/replacement

Diagnostic Procedures:

Troubleshooting guides, symptom-based diagnostics, OBD-II diagnostic codes and procedures

Repair Procedures:

Engine rebuilds, transmission overhaul, brake caliper replacement, suspension component repair, electrical component repair

Component Removal Installation:

Detailed steps for removing and installing major components (engine, transmission, axles, suspension parts, body panels, interior components)

Wiring Diagrams:

Comprehensive electrical schematics for all systems

Technical Depth

Depth Of Information:

Detailed specifications, torque values, diagnostic procedures, repair instructions, system overviews

Diagnostic Tools Required:

Information on required diagnostic tools (OBD-II scanner, multimeter, specialized tools)

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text content

Print Quality

Print Readability:

High-resolution, clear text and diagrams

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Option 1:

4.0L Inline-6 (PowerTech)

Engine Displacement 1:

3952 cc (241 cu in)

Engine Bore Stroke 1:

93.5 mm x 90.9 mm

Engine Compression Ratio 1:

8.8:1

Engine Horsepower 1:

190 hp @ 4600 rpm (approx.)

Engine Torque 1:

235 lb-ft @ 3000 rpm (approx.)

Engine Fuel System 1:

Multi-point Fuel Injection (MPI)

Engine Block Material 1:

Cast Iron

Engine Cylinder Head Material 1:

Aluminum

Engine Option 2

Engine Option 2:

4.7L V8 (PowerTech)

Engine Displacement 2:

4701 cc (287 cu in)

Engine Bore Stroke 2:

93 mm x 86.6 mm

Engine Compression Ratio 2:

8.7:1

Engine Horsepower 2:

235 hp @ 4500 rpm (approx., varies by year)

Engine Torque 2:

325 lb-ft @ 3200 rpm (approx., varies by year)

Engine Fuel System 2:

Multi-point Fuel Injection (MPI)

Engine Block Material 2:

Aluminum

Engine Cylinder Head Material 2:

Aluminum

🔧 Transmission

Standard Transmission

Standard Transmission Type:

4-speed automatic (e.g., 45RFE/545RFE)

Optional Transmission

Optional Transmission Type:

5-speed manual (NV3550, primarily with 4.0L engine, less common)

Features

Transfer Case Options:

Selec-Trac (2WD/4WD Part-Time/Full-Time), Quadra-Trac II (Full-Time 4WD with 2-speed transfer case), Quadra-Drive (Full-Time 4WD with electronic limited-slip differentials)

Fluid Specifications

Automatic Transmission Fluid Type:

ATF+4 (Chrysler Material Number 05013457AA or equivalent)

Fluid Capacities

Automatic Transmission Fluid Capacity:

Approx. 10.5 quarts (9.9 liters) for refill

📐 Dimensions

Exterior

Length:

181.7 inches (4615 mm)

Width:

72.4 inches (1839 mm)

Height:

66.0 inches (1676 mm)

Wheelbase:

109.5 inches (2781 mm)

Interior

Passenger Volume:

Approx. 105.4 cu ft

Cargo

Cargo Volume Behind Rear Seat:

Approx. 34.5 cu ft

Cargo Volume With Rear Seat Folded:

Approx. 77.3 cu ft

Weights

Curb Weight Approx:

4300-4600 lbs (1950-2087 kg), depending on engine and options

Gross Vehicle Weight Rating Gvwr:

Approx. 5800-6100 lbs (2630-2767 kg)

Towing Capacity:

Up to 6,500 lbs (2948 kg)

🛡️ Safety Features

Ratings

NHTSA Front Crash Test Rating:

4-star driver, 4-star passenger (for models with passenger airbag deployment)

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control System (TCS)

Passive Features

Airbags:

Driver and front passenger airbags (optional side airbags on later models)

Seatbelts:

3-point front and rear seatbelts

Rollover Protection:

Reinforced body structure, designed to mitigate rollover risk

💡 Technology Features

Infotainment

Available Infotainment Systems:

Factory-installed AM/FM stereo with CD player, optional premium audio systems, available navigation (later models).

Speaker Configurations:

Various speaker configurations, including 6-speaker and premium 10-speaker Boston Acoustics systems.

Driver Assistance

Driver Assistance Features:

Cruise control, optional parking assist sensors (rear).

Connectivity

Connectivity Options:

Limited by modern standards; typically includes power outlets. No Bluetooth or USB connectivity from factory.

🔧 Maintenance

Service Intervals

Engine Oil Change Interval:

Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first. Refer to manual for specific conditions.

Engine Air Filter Replacement:

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

Spark Plug Replacement:

4.0L I6: Approx. 100,000 miles (160,000 km) with platinum plugs. 4.7L V8: Approx. 100,000 miles (160,000 km) with platinum plugs.

Coolant Flush Interval:

Every 30,000 miles (48,000 km) or 2 years.

Transmission Fluid Service:

Every 30,000 - 60,000 miles (48,000 - 96,000 km), depending on towing and severe use. Consult manual for specific recommendations.

Fluid Specifications

Engine Oil Specification:

SAE 5W-30 (preferred) or SAE 10W-30. Consult manual for specific viscosity based on temperature.

Engine Coolant Type:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, P-No. 05010885AA (or equivalent HOAT/OAT compatible coolant)

Brake Fluid Type:

DOT 3

Fluid Capacities

Engine Oil Capacity 4.0L:

5.0 quarts (4.7 liters) with filter

Engine Oil Capacity 4.7L:

6.0 quarts (5.7 liters) with filter

Coolant Capacity:

Approx. 11.2 - 12.8 quarts (10.6 - 12.1 liters), depending on engine and cooling system components

Known Issues

Common Issue 1:

Cracked cylinder heads on early 4.7L V8 models (addressed by Jeep in later revisions and recalls).

Common Issue 2:

Water pump leaks, particularly on the 4.7L V8.

Common Issue 3:

Death wobble or steering shimmy, often related to worn steering components (track bar, ball joints, tie rods).

Common Issue 4:

Heater core leaks or AC blend door actuator failures.

Common Issue 5:

Transmission cooling line leaks leading to transmission damage.

Common Issue 6:

Rust issues, particularly on rocker panels, lower body panels, and frame components in certain climates.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep's long-standing reputation for ruggedness and off-road capability

Model Evolution

Wj Generation Introduction:

Introduced for the 1993 model year as the Grand Cherokee (ZJ), the WJ replaced the ZJ for the 1999 model year with significant updates.

Wj Key Updates:

New exterior and interior styling, improved aerodynamics, availability of the 4.7L Magnum V8 engine, enhanced Quadra-Drive system, more refined ride and handling compared to ZJ.

Wj Facelift:

Received a minor facelift for the 2002 model year with updated grille, headlights, and interior trim.

Production

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA

Production End Of Wj:

Production of the WJ generation concluded with the 2004 model year, succeeded by the WK generation.

🏆 Awards & Recognition

Recognitions

Off Road Awards:

Consistently praised for its off-road capabilities by automotive publications.

Critical Reception:

Generally well-received for its comfortable ride, powerful engine options, and off-road prowess, though sometimes criticized for fuel economy and certain interior materials.