Jeep Grand Cherokee WJ 1987-2000 Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Platform: WJ Generation: Second Generation (WJ) Years Covered: 1987-2000 Codes Chassis Code: WJ 👋 Introduction Market Position Positioning: Premium mid-size SUV, competing with models like Ford Explorer, Chevrolet Blazer, Toyota 4Runner. Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder. Key Features Distinguishing Features: Robust four-wheel-drive systems (Selec-Trac, Quadra-Trac II, NV247), upscale interior for its class, strong towing capability. Manual Value Proposition: Essential resource for maintaining, troubleshooting, and repairing the Jeep Grand Cherokee WJ, enabling owners to save on dealership service costs and perform complex tasks. 📋 Manual Details Coverage Areas Primary Coverage: All US and Canadian Spec Models Engine Variants Covered: 4.0L Inline-6, 4.7L V8 (Planned Coverage) Transmission Variants Covered: 42RE Automatic, 45RFE Automatic (Planned Coverage) Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, crankshaft, pistons, connecting rods, lubrication, cooling, fuel delivery, ignition, timing. Engine Performance: Engine tuning, diagnostic trouble codes (DTCs), emissions control systems. Transmission Automatic: 42RE, 45RFE operation, overhaul, hydraulic controls, valve body, torque converter, electronic controls. Drivetrain: Transfer case (NV231, NV242, NV247), axles (Dana 30 front, Dana 35/44 rear), driveshafts, CV joints, propeller shafts, differential service. Suspension: Front and rear suspension components, control arms, ball joints, bushings, springs, shocks, steering linkage. Steering: Power steering system, steering gearbox, steering column, alignment specifications. Brakes: Brake system components (front and rear discs), ABS system, hydraulic lines, master cylinder, calipers, pads, rotors. Electrical System: Battery, charging system (alternator), starting system (starter), ignition system, lighting, horn, power windows, power locks, mirrors. Body And Chassis: Body panels, doors, hood, tailgate, interior trim, glass, structural components, underbody protection. HVAC: Heating, ventilation, and air conditioning (HVAC) system, refrigerant, compressor, evaporator, heater core. Interior: Seating systems, dashboard assembly, instrument panel, airbags, seat belts. Diagnostics: Diagnostic Trouble Codes (DTCs) for powertrain and body control modules, scan tool procedures, symptom charts. Procedures Included Maintenance: Oil changes, filter replacements, fluid level checks and changes, spark plug replacement, belt inspection and replacement. Repair Engine: Engine rebuilds, cylinder head removal/installation, piston and ring replacement, bearing replacement, oil pump service. Repair Transmission: Automatic transmission removal/installation, valve body repair, solenoid replacement, clutch pack service. Repair Brakes: Brake pad and rotor replacement, caliper overhaul, bleeding the brake system, ABS component diagnostics. Repair Suspension Steering: Component replacement (ball joints, tie rods, shocks), alignment procedures, steering gear service. Electrical Troubleshooting: Wiring diagrams, component testing, circuit diagnostics, fuse and relay identification. Body Repair: Panel alignment, door mechanism repair, glass replacement, trim installation. HVAC Service: Refrigerant recovery/recharge, component replacement (compressor, drier), leak detection. Diagnostic Procedures: Step-by-step diagnostic trees for common symptoms, testing specific sensors and actuators. Technical Depth Depth: Comprehensive factory-level detail suitable for professional technicians and advanced DIYers. Diagnostic Detail: Includes diagnostic trouble codes, symptom-based troubleshooting charts, and component testing procedures. Rebuild Procedures: Detailed instructions for engine and transmission overhauls, including specifications and torque values. 📊 Manual Specifications File Format Type: PDF Searchability: Fully searchable text content Compatibility: Viewable on PC, Mac, tablets, and smartphones Print Quality Resolution: High-resolution scans for clear diagrams and text Printability: Printable pages for workshop use Binding Type Binding: N/A (Downloadable PDF) Paper Type Paper: N/A (Downloadable PDF) ⚙️ Engine Specifications Primary Engine Base Engine: 4.0L (3956cc) Inline-6 OHV, 12-valve Base Engine Power: Approx. 190-205 hp @ 4600-5200 rpm (depending on year and tune) Base Engine Torque: Approx. 235-255 lb-ft @ 3000-3200 rpm (depending on year and tune) Optional Engine Optional Engine: 4.7L (4701cc) V8 SOHC, 16-valve (PowerTech) Optional Engine Power: Approx. 220-235 hp @ 4700-4800 rpm (depending on year) Optional Engine Torque: Approx. 285-300 lb-ft @ 3200-3250 rpm (depending on year) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Regular (87 octane recommended for 4.0L, 89 octane recommended for 4.7L) Engine Management ECM Type: Various Chrysler/Jeep ECM/PCM modules (e.g., NGC, PCI bus) 🔧 Transmission Standard Standard Transmission: 42RE 4-speed Automatic Overdrive Optional Optional Transmission: 45RFE 4-speed Automatic Overdrive (with 4.7L V8) Features Transmission Features: Electronically controlled, lock-up torque converter, Overdrive gear. Fluid Specifications Fluid Type 42Re: ATF+4 (Chrysler Material Standard MS-9602) Fluid Type 45Rfe: ATF+4 (Chrysler Material Standard MS-9602) Capacity Fluid Capacity Approx: 10-12 quarts (9.5-11.4 liters) 📐 Dimensions Exterior Wheelbase: 104.7 inches (2659 mm) Length: 181.5 inches (4610 mm) Width: 71.5 inches (1816 mm) Height: 66.7 inches (1694 mm) Weights Curb Weight Approx: 4,200 - 4,600 lbs (1905 - 2087 kg) depending on configuration Towing Capacity Max: Up to 5,000 lbs (2268 kg) Cargo Cargo Volume Behind Rear Seat: Approx. 37.2 cu ft (1053 liters) Cargo Volume With Rear Seat Folded: Approx. 75.0 cu ft (2124 liters) Wheel And Tire Standard Tire Size: P225/75R16, P235/70R16, P245/70R17 (depending on trim/options) Wheel Bolt Pattern: 5x114.3 mm (5x4.5 inches) Wheel Offset: +38 to...

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Tags: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Car Cars Grand Cherokee WJ Jeep Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Platform:

Generation:

Second Generation (WJ)

Years Covered:

1987-2000

Codes

Chassis Code:

👋 Introduction

Market Position

Positioning:

Premium mid-size SUV, competing with models like Ford Explorer, Chevrolet Blazer, Toyota 4Runner.

Competitive Analysis

Key Competitors:

Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder.

Key Features

Distinguishing Features:

Robust four-wheel-drive systems (Selec-Trac, Quadra-Trac II, NV247), upscale interior for its class, strong towing capability.

Manual Value Proposition:

Essential resource for maintaining, troubleshooting, and repairing the Jeep Grand Cherokee WJ, enabling owners to save on dealership service costs and perform complex tasks.

📋 Manual Details

Coverage Areas

Primary Coverage:

All US and Canadian Spec Models

Engine Variants Covered:

4.0L Inline-6, 4.7L V8 (Planned Coverage)

Transmission Variants Covered:

42RE Automatic, 45RFE Automatic (Planned Coverage)

Page Count

Estimated Pages:

1000+

Manual Type

Type:

Factory Service and Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, crankshaft, pistons, connecting rods, lubrication, cooling, fuel delivery, ignition, timing.

Engine Performance:

Engine tuning, diagnostic trouble codes (DTCs), emissions control systems.

Transmission Automatic:

42RE, 45RFE operation, overhaul, hydraulic controls, valve body, torque converter, electronic controls.

Drivetrain:

Transfer case (NV231, NV242, NV247), axles (Dana 30 front, Dana 35/44 rear), driveshafts, CV joints, propeller shafts, differential service.

Suspension:

Front and rear suspension components, control arms, ball joints, bushings, springs, shocks, steering linkage.

Steering:

Power steering system, steering gearbox, steering column, alignment specifications.

Brakes:

Brake system components (front and rear discs), ABS system, hydraulic lines, master cylinder, calipers, pads, rotors.

Electrical System:

Battery, charging system (alternator), starting system (starter), ignition system, lighting, horn, power windows, power locks, mirrors.

Body And Chassis:

Body panels, doors, hood, tailgate, interior trim, glass, structural components, underbody protection.

HVAC:

Heating, ventilation, and air conditioning (HVAC) system, refrigerant, compressor, evaporator, heater core.

Interior:

Seating systems, dashboard assembly, instrument panel, airbags, seat belts.

Diagnostics:

Diagnostic Trouble Codes (DTCs) for powertrain and body control modules, scan tool procedures, symptom charts.

Procedures Included

Maintenance:

Oil changes, filter replacements, fluid level checks and changes, spark plug replacement, belt inspection and replacement.

Repair Engine:

Engine rebuilds, cylinder head removal/installation, piston and ring replacement, bearing replacement, oil pump service.

Repair Transmission:

Automatic transmission removal/installation, valve body repair, solenoid replacement, clutch pack service.

Repair Brakes:

Brake pad and rotor replacement, caliper overhaul, bleeding the brake system, ABS component diagnostics.

Repair Suspension Steering:

Component replacement (ball joints, tie rods, shocks), alignment procedures, steering gear service.

Electrical Troubleshooting:

Wiring diagrams, component testing, circuit diagnostics, fuse and relay identification.

Body Repair:

Panel alignment, door mechanism repair, glass replacement, trim installation.

HVAC Service:

Refrigerant recovery/recharge, component replacement (compressor, drier), leak detection.

Diagnostic Procedures:

Step-by-step diagnostic trees for common symptoms, testing specific sensors and actuators.

Technical Depth

Depth:

Comprehensive factory-level detail suitable for professional technicians and advanced DIYers.

Diagnostic Detail:

Includes diagnostic trouble codes, symptom-based troubleshooting charts, and component testing procedures.

Rebuild Procedures:

Detailed instructions for engine and transmission overhauls, including specifications and torque values.

📊 Manual Specifications

File Format

Type:

Searchability:

Fully searchable text content

Compatibility:

Viewable on PC, Mac, tablets, and smartphones

Print Quality

Resolution:

High-resolution scans for clear diagrams and text

Printability:

Printable pages for workshop use

Binding Type

Binding:

N/A (Downloadable PDF)

Paper Type

Paper:

N/A (Downloadable PDF)

⚙️ Engine Specifications

Primary Engine

Base Engine:

4.0L (3956cc) Inline-6 OHV, 12-valve

Base Engine Power:

Approx. 190-205 hp @ 4600-5200 rpm (depending on year and tune)

Base Engine Torque:

Approx. 235-255 lb-ft @ 3000-3200 rpm (depending on year and tune)

Optional Engine

Optional Engine:

4.7L (4701cc) V8 SOHC, 16-valve (PowerTech)

Optional Engine Power:

Approx. 220-235 hp @ 4700-4800 rpm (depending on year)

Optional Engine Torque:

Approx. 285-300 lb-ft @ 3200-3250 rpm (depending on year)

Fuel System

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Regular (87 octane recommended for 4.0L, 89 octane recommended for 4.7L)

Engine Management

ECM Type:

Various Chrysler/Jeep ECM/PCM modules (e.g., NGC, PCI bus)

🔧 Transmission

Standard

Standard Transmission:

42RE 4-speed Automatic Overdrive

Optional

Optional Transmission:

45RFE 4-speed Automatic Overdrive (with 4.7L V8)

Features

Transmission Features:

Electronically controlled, lock-up torque converter, Overdrive gear.

Fluid Specifications

Fluid Type 42Re:

ATF+4 (Chrysler Material Standard MS-9602)

Fluid Type 45Rfe:

ATF+4 (Chrysler Material Standard MS-9602)

Capacity

Fluid Capacity Approx:

10-12 quarts (9.5-11.4 liters)

📐 Dimensions

Exterior

Wheelbase:

104.7 inches (2659 mm)

Length:

181.5 inches (4610 mm)

Width:

71.5 inches (1816 mm)

Height:

66.7 inches (1694 mm)

Weights

Curb Weight Approx:

4,200 - 4,600 lbs (1905 - 2087 kg) depending on configuration

Towing Capacity Max:

Up to 5,000 lbs (2268 kg)

Cargo

Cargo Volume Behind Rear Seat:

Approx. 37.2 cu ft (1053 liters)

Cargo Volume With Rear Seat Folded:

Approx. 75.0 cu ft (2124 liters)

Wheel And Tire

Standard Tire Size:

P225/75R16, P235/70R16, P245/70R17 (depending on trim/options)

Wheel Bolt Pattern:

5x114.3 mm (5x4.5 inches)

Wheel Offset:

+38 to +45 mm (typical)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact Driver:

Good (for relevant models/years tested)

NHTSA Frontal Impact Passenger:

Good (for relevant models/years tested)

IIHS Offset Frontal Impact:

Acceptable (for relevant models/years tested)

Active Features

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

Traction Control:

Available Traction Control System (TCS)

Passive Features

Airbags:

Driver and passenger front airbags, available side airbags (later models).

Seat Belts:

Front 3-point active seat belts with pretensioners, rear 3-point seat belts.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM/CD/Cassette stereos, optional Infinity Gold premium sound system.

Navigation:

Optional factory navigation system (rare for early models).

Driver Assistance

Cruise Control:

Standard cruise control.

Connectivity

Power Features:

Power windows, power door locks, power mirrors, power seats (available).

Comfort Features

Climate Control:

Manual HVAC controls, optional Automatic Temperature Control (ATC).

🔧 Maintenance

Service Intervals

Oil Change Interval:

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

Transmission Fluid Change Interval:

Every 30,000-60,000 miles (48,000-96,000 km) or 2-3 years, especially if towing.

Coolant Change Interval:

Every 30,000-60,000 miles (48,000-96,000 km) or 2-4 years.

Spark Plug Replacement:

4.0L: ~100,000 miles (160,000 km); 4.7L: ~75,000-100,000 miles (120,000-160,000 km) depending on plug type.

Fluid Specifications

Engine Oil Type:

SAE 5W-30 (API Certified, meets Chrysler MS-6395)

Engine Oil Capacity 4.0L:

5.0 US quarts (4.7 liters) with filter

Engine Oil Capacity 4.7L:

6.0 US quarts (5.7 liters) with filter

Coolant Type:

Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, 50/50 mix with distilled water.

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

ATF+4 or specific Mopar Power Steering Fluid

Known Issues

Common Issues Engine:

Cracked cylinder heads (especially early 4.7L models), oil filter adapter seal leaks, valve cover gasket leaks, exhaust manifold cracks (4.0L).

Common Issues Transmission:

Slipping or harsh shifting (often due to worn solenoids or valve body issues), torque converter shudder.

Common Issues Suspension Steering:

Worn ball joints and tie rod ends, front sway bar links, rear track bar bushings, power steering pump whine.

Common Issues Electrical:

Instrument cluster failure (often the 'SBC' recall fix), heated seat element failure, window regulator issues, blower motor resistor failure.

Common Issues Cooling System:

Water pump leaks, radiator leaks, thermostat housing leaks, heater core leaks (difficult to access).

Common Issues Body:

Interior trim rattles, tailgate actuator failure, rust on wheel wells and rocker panels.

📚 Vehicle History

Brand Heritage

Jeep Heritage:

Jeep has a long-standing reputation for ruggedness and off-road capability, established with the iconic WWII Willys MB and continuing through models like the Cherokee (XJ) and Grand Cherokee (ZJ).

Model Evolution

Wj Introduction:

The WJ generation replaced the ZJ Grand Cherokee, introducing a more refined and car-like ride, a significantly updated interior, and improved on-road dynamics while retaining core Jeep off-road prowess.

Wj Key Updates:

Introduction of the 4.7L PowerTech V8 engine, revised Quadra-Coil multi-link rear suspension for improved ride comfort, and updated Selec-Trac and Quadra-Trac NV247 transfer cases.

Production

Production Period:

1998-2004 model years (WJ platform)

Manufacturing Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA

🏆 Awards & Recognition

Recognitions

Kbb Consumer Ratings:

Generally positive consumer reviews for capability and comfort, with common notes on reliability concerns.

Model Year Highlights:

WJ Grand Cherokee often praised for its ride quality and interior refinement compared to its predecessor and some competitors during its production run.