Jeep Grand CHEROKEE WJ WG 1999-2004 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Years Covered: 1999-2004 Trim Levels Covered: Sport, Overland, Laredo, Limited Generation Codes Platform: WJ/WG 👋 Introduction Market Position Positioning: Essential...

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Type: Car

Vendor:

Sku: 487542

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

Product variants

Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Model Years Covered:

1999-2004

Trim Levels Covered:

Sport, Overland, Laredo, Limited

Generation Codes

Platform:

WJ/WG

👋 Introduction

Market Position

Positioning:

Essential resource for owners and technicians working on the WJ/WG Grand Cherokee platform

Competitive Analysis

Value Proposition:

Provides in-depth technical information typically found in OEM service manuals, offering significant cost savings for repairs and maintenance.

Key Features

Core Offering:

Detailed procedures, specifications, and diagrams for all major vehicle systems.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive workshop service and repair

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

Digital (likely PDF)

📖 Manual Coverage

Systems Covered

Engine:

Yes (4.0L, 4.7L V8, 2.7L Turbodiesel)

Transmission:

Drivetrain:

Yes (4WD/AWD systems)

Suspension:

Steering:

Brakes:

Electrical System:

Yes (including wiring diagrams)

HVAC:

Body And Chassis:

Interior:

Restraint Systems:

Diagnostics And Troubleshooting:

Procedures Included

Routine Maintenance:

Major Repairs:

Component Rebuilds:

Disassembly And Reassembly:

Wiring Diagrams Interpretation:

Diagnostic Codes Interpretation:

Technical Depth

Depth:

Detailed workshop level, suitable for professional technicians and advanced DIY enthusiasts

📊 Manual Specifications

File Format

File Type:

PDF (standard for this type of product)

Print Quality

Quality:

High-resolution, printable pages with clear diagrams and text

Binding Type

Binding:

N/A (Digital format)

Paper Type

Paper:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine 40L

Engine Code:

231 (4.0L I6)

Displacement:

3952 cc (242 cubic inches)

Configuration:

Inline 6-cylinder, Overhead Valve (OHV)

Bore X Stroke:

3.875 in x 3.562 in (98.4 mm x 90.5 mm)

Compression Ratio:

8.8:1

Fuel System:

Sequential Multi-Port Fuel Injection (MPI)

Primary Engine 47L

Engine Code:

260 (4.7L V8)

Displacement:

4701 cc (287 cubic inches)

Configuration:

V8, Single Overhead Camshaft (SOHC), 3 valves per cylinder

Bore X Stroke:

3.72 in x 3.35 in (94.5 mm x 85.0 mm)

Compression Ratio:

9.6:1

Fuel System:

Sequential Multi-Port Fuel Injection (MPI)

Primary Engine 27L

Engine Code:

ENF (2.7L CRD Turbodiesel)

Displacement:

2685 cc (163.8 cubic inches)

Configuration:

Inline 5-cylinder, Turbocharged, Common Rail Diesel Injection (CRDI)

Compression Ratio:

17.0:1

Fuel System:

Common Rail Diesel Injection (CRDI)

Performance

40L Horsepower:

190 hp @ 4450 rpm (approx.)

40L Torque:

235 lb-ft @ 3200 rpm (approx.)

47L Horsepower:

235 hp @ 4900 rpm (approx.)

47L Torque:

305 lb-ft @ 3450 rpm (approx.)

27L Horsepower:

140 hp @ 4000 rpm (approx.)

27L Torque:

250 lb-ft @ 1750 rpm (approx.)

🔧 Transmission

Standard 40L

Type:

42RE 4-speed Automatic

Optional 47L

Type:

45RFE 4-speed Automatic (later models might have 545RFE 5-speed)

Standard 27L

Type:

42LE 4-speed Automatic

Features

Transfer Case:

Selec-Trac (NV242) or Quadra-Trac II (NV247) with various ratios

📐 Dimensions

Exterior Length

Length:

189.4 inches (4811 mm)

Exterior Width

Width:

74.0 inches (1880 mm)

Exterior Height

Height:

67.0 inches (1702 mm)

Wheelbase

Wheelbase:

116.0 inches (2946 mm)

Weights

Curb Weight:

Approx. 4,300 - 4,800 lbs (1950 - 2177 kg) depending on engine and configuration

🛡️ Safety Features

Ratings

NHTSA Front Impact:

4-star driver, 4-star passenger (for models tested)

IIHS Side Impact:

Good (for models tested)

Active Features

Standard 4-wheel disc anti-lock braking system

Traction Control:

Available (Traction Control System - TCS)

Passive Features

Airbags:

Standard front airbags, optional side airbags

Rollover Protection:

Available (Enhanced Accident Response System - EARS, rollover mitigation features)

💡 Technology Features

Infotainment

Available Systems:

Factory AM/FM/CD, optional premium audio systems (Infinity), optional in-dash CD changer.

Driver Assistance

Features:

Traction Control (TCS), optional Electronic Stability Program (ESP) introduced later in the generation.

Connectivity

Features:

Limited by era; primarily analog systems, but some later models may have had basic auxiliary inputs.

🔧 Maintenance

Service Intervals Oil Change

Interval 40L 47L:

Every 7,500 miles or 6 months (conventional oil), 10,000 miles or 6 months (synthetic oil).

Interval 27L:

Every 10,000 miles or 12 months (synthetic oil recommended).

Service Intervals Transmission Fluid

Interval Auto:

Every 30,000 - 60,000 miles depending on usage and fluid type.

Fluid Specifications Engine Oil

Oil Spec 40L:

API SP, SAE 10W-30 (or 5W-30 for colder climates)

Oil Spec 47L:

API SP, SAE 10W-30 (or 5W-30 for colder climates)

Oil Spec 27L:

ACEA C3, SAE 5W-30 Synthetic Diesel Oil

Fluid Specifications Transmission Fluid

Trans Fluid 42Re 45Rfe:

Chrysler ATF+4 (or equivalent)

Trans Fluid 42Le:

Chrysler ATF+4 (or equivalent)

Fluid Specifications Coolant

Coolant Type:

HOAT (Hybrid Organic Acid Technology) - Mopar OAT or equivalent

Known Issues

Common Problems:

Heater core leaks, radiator issues, transmission solenoid issues, differential leaks, catalytic converter failure, power steering pump failure, various electrical gremlins.

📚 Vehicle History

Brand Heritage

Brand Legacy:

Jeep has a long-standing reputation for off-road capability and ruggedness, dating back to WWII.

Model Evolution

Wj Generation Introduction:

The WJ generation replaced the ZJ Grand Cherokee, introducing a more refined and luxurious SUV experience while retaining off-road prowess.

Wg Variant:

The WG designation is often used for the European market version.

Production

Manufacturing Locations:

Jefferson North Assembly, Detroit, Michigan, USA

Production Years:

1999-2004

🏆 Awards & Recognition

Recognitions

Automotive Journal Ratings:

Frequently appeared on 'Best Buy' or 'Most Trusted' lists from publications like Consumer Reports during its production run for certain categories.

Ratings

Segment Popularity:

Competed in the mid-size luxury SUV segment against vehicles like the Toyota Land Cruiser Prado, Ford Explorer, and Chevrolet Blazer.