Jeep Grand Cherokee 1999 Service Repair Manual FSM

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🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: WJ Year: 1999 Generation Generation Name: Second Generation (WJ) Generation Years: 1999-2004 👋 Introduction Market Position Vehicle Segment: Mid-size...

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Description

🏷️ Basic Information

Identification

Make:

Model:

Grand Cherokee

Model Code:

Year:

Generation

Generation Name:

Second Generation (WJ)

Generation Years:

1999-2004

👋 Introduction

Market Position

Vehicle Segment:

Mid-size Luxury SUV

Jeep Role:

Key model in Jeep's expansion into the premium SUV market.

Competitive Analysis

Competitors 1999:

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

Key Features

Platform:

WJ platform, shared with Mercedes-Benz ML-Class (developed under DaimlerChrysler alliance).

Engine Options Offered:

2.7L VM Motori Turbodiesel, 4.0L I6 PowerTech, 4.7L V8 PowerTech.

Transfer Cases Offered:

Selec-Trac (NV242), Quadra-Drive (NV247) with Vari-Lok differentials.

Design Philosophy:

Improved on-road manners and refinement compared to previous generation (XJ), while retaining Jeep's off-road capability.

📋 Manual Details

Coverage Areas

Manual Type:

Factory Service Manual (FSM) / Shop Manual

Primary Coverage:

Vehicle Repair and Maintenance

Engine Coverage:

Includes Diesel engine variant

Systems Covered Summary:

Engine, Drivetrain, Chassis, Electrical, Body, HVAC, Fuel, Brakes, Suspension, Steering, Lubrication, Emissions

Page Count

Page Count Estimate:

Extensive (Typical FSMs are 1000+ pages)

Language

Language:

English

Format

File Format:

PDF / ZIP

📖 Manual Coverage

Systems Covered

Engine:

Comprehensive diagnostics, repair, overhaul procedures for all 1999 WJ Grand Cherokee engines, including the Diesel variant.

General Information:

Vehicle identification, general specifications, torque values, shop safety, special tools, general procedures.

Drivetrain:

Front/Rear Axles, Differentials, Transfer Case (NV242 Selec-Trac, NV247 Quadra-Time), Driveshafts, CV Joints, Universal Joints, Propeller Shafts.

Chassis:

Frame structure, mounting points, overall chassis systems.

Lighting:

Headlamps, Tail Lamps, Interior Lighting, Fog Lamps, Trailer Lighting, Bulb Specifications.

Steering:

Power steering system, steering column, steering gear/rack, linkages, alignment specifications.

Seats System:

Seat adjustment mechanisms, power seat components, seat belt systems (part of passive restraint).

Clutch:

Manual transmission clutch assembly, hydraulic system, flywheel, pressure plate, clutch disc.

Suspension:

Front and Rear Suspension, Shock Absorbers, Springs, Control Arms, Bushings, Ball Joints, Wheel Bearings, Alignment Specifications.

Locks:

Door locks, power locks, keyless entry system, ignition lock cylinder.

Brakes:

Front and Rear Disc Brakes, Anti-lock Braking System (ABS), Parking Brake, Brake Fluid Specifications, Master Cylinder, Calipers, Rotors, Pads, Lines.

Lubrication:

Engine oil specifications, transmission fluid, differential fluid, chassis lubrication points, fluid capacities.

Electrical:

Complete vehicle electrical system diagnostics, component testing, wiring diagrams, fuses, relays, power distribution.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel filter, EVAP system, diesel fuel system components.

Battery Starting Charging:

Battery specifications, charging system (alternator), starting system (starter motor, solenoid).

Ignition System:

Spark plugs, ignition coils, ignition timing, distributor (if applicable), Crankshaft Position Sensor (CKP), Camshaft Position Sensor (CMP).

Instrument Panel Systems:

Gauges, warning lights, odometer, trip computer, instrument cluster diagnostics and repair.

Audio Systems:

Radio, speakers, amplifier (if equipped), antenna, troubleshooting audio issues.

Horn Systems:

Horn operation, wiring, horn relay, horn switch.

Speed Control System:

Cruise control system components, operation, diagnosis, and repair.

Turn Signal Hazard Warning Systems:

Turn signal indicators, hazard lights, flasher units, switches, wiring.

Wiper Washer Systems:

Windshield wipers, washer pump, fluid reservoir, wiper motor, linkages, washer nozzles.

Lamps:

Exterior and interior lighting service, aiming, bulb replacement, component testing.

Passive Restraint Systems:

Airbag system (SRS) components, sensors, control module, seat belts, pretensioners, diagnostic procedures for airbag faults.

Electrically Heated System:

Heated seats, heated mirrors, heated rear window (defroster).

Power Distribution System:

Battery, alternator, starter, wiring harnesses, fuses, relays, power distribution centers, grounding points.

Vehicle Theft Security Systems:

Factory alarm system, immobilizer, keyless entry functionality related to security.

Chime Buzzer Warning Systems:

Chimes for seat belts, doors ajar, lights on, key in ignition; buzzer warnings.

Wiring Diagrams:

Comprehensive, detailed wiring schematics for all electrical systems, including power distribution, grounds, component locations.

Exhaust System:

Exhaust pipes, muffler, catalytic converter, hangers, heat shields, gaskets, inspection and repair.

Frame And Bumpers:

Frame construction, reinforcement, bumper systems, front and rear fascias, body mounting points.

Heating Air Conditioning:

HVAC system operation, refrigerant, compressor, evaporator, condenser, heater core, blower motor, climate controls, diagnostics.

Emission Control Systems:

Catalytic converter, oxygen sensors, EGR system, EVAP system, PCV system, emission control component testing and diagnosis.

Procedures Included

Maintenance Procedures:

Routine maintenance tasks, fluid changes, filter replacements, spark plug replacement, belt inspection/replacement, brake fluid flush.

Diagnostic Procedures:

Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation and clearing, electrical circuit testing.

Repair Procedures:

Step-by-step instructions for component removal, installation, and overhaul for all major systems.

Specifications Data:

Torque specifications, clearances, fluid capacities, pressure readings, electrical values, alignment settings.

Technical Depth

Depth Level:

Comprehensive (dealership level)

Diagnostic Capabilities:

Advanced diagnostics, including wiring diagrams for fault tracing and component testing.

Rebuild Procedures:

Detailed instructions for engine, transmission, and differential rebuilds and overhauls.

📊 Manual Specifications

File Format

File Type:

PDF (Searchable text, printable)

Digital Compatibility:

Windows (95/98/ME/XP/vista/7), Linux, MAC

Print Quality

Quality Description:

High-resolution digital reproduction of original factory documentation.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine 1:

4.0L Inline-6 PowerTech

Engine 1 Displacement:

3956 cc (241.6 cu in)

Engine 1 Horsepower:

185 hp @ 4,600 rpm

Engine 1 Torque:

235 lb-ft @ 3,000 rpm

Engine 2:

4.7L V8 PowerTech

Engine 2 Displacement:

4701 cc (286.8 cu in)

Engine 2 Horsepower:

220 hp @ 4,700 rpm

Engine 2 Torque:

300 lb-ft @ 3,200 rpm

Engine 3:

2.7L VM Motori Turbodiesel (Optional, Market Dependent)

Engine 3 Displacement:

2700 cc (164.8 cu in)

Engine 3 Horsepower:

Approx. 134 hp

Engine 3 Torque:

Approx. 277 lb-ft

Fuel System

Fuel System Type Gasoline:

Multi-port Fuel Injection (MPI)

Fuel System Type Diesel:

Direct Injection (Common Rail or Unit Injectors, depending on specific VM Motori variant)

🔧 Transmission

Standard

Transmission Type:

4-speed Automatic (42RE for 4.0L, 45RFE for 4.7L)

Optional

Transmission Type Manual:

5-speed Manual (NSG 370, less common in US models for this year)

Features

Transfer Case 1:

NV242 Selec-Trac (part-time 4WD, full-time 4WD, 2WD)

Transfer Case 2:

NV247 Quadra-Time (full-time 4WD with electronic control and locking center differential for extreme traction)

Differential Tech:

Quadra-Drive system featured Vari-Lok differentials (front and rear) for enhanced off-road traction.

📐 Dimensions

Exterior

Wheelbase:

2885 mm (113.6 in)

Length:

4684 mm (184.4 in)

Width:

1838 mm (72.4 in)

Height:

1737 mm (68.4 in)

Weights

Curb Weight Min:

Approx. 1950 kg (4300 lbs) - Varies by engine and trim

Towing Capacity:

Up to 6500 lbs (2948 kg) with proper equipment

🛡️ Safety Features

Ratings

NHTSA Frontal Impact Driver:

4 Stars (1999)

NHTSA Frontal Impact Passenger:

4 Stars (1999)

IIHS Small Overlap Front:

N/A (Test not performed on this model year)

Active Features

Standard 4-wheel disc ABS

Traction Control:

Optional (often part of Quadra-Drive or ESP)

Passive Features

Airbags Front:

Driver and Passenger front airbags

Airbags Side:

Optional side curtain airbags (later model years)

Seatbelts:

3-point front and rear seatbelts, pretensioners for front seats

💡 Technology Features

Infotainment

Audio System Options:

AM/FM Cassette/CD player with optional Infinity Gold premium audio system and subwoofer.

Navigation:

Optional GPS navigation system (early generation).

Driver Assistance

Cruise Control:

Standard speed control system.

Parking Assistance:

Rear parking assist sensors were an available option.

Connectivity

Phone Integration:

Early Bluetooth or Uconnect systems were not available on this model year.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-7,500 miles (depending on oil type and driving conditions, check manual for specifics).

Transmission Fluid Change:

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

Coolant Flush:

Every 30,000-50,000 miles or 2-3 years.

Brake Fluid Flush:

Every 2-3 years, or as needed based on moisture content.

Fluid Specifications

Engine Oil 4.0L:

SAE 10W-30 (API certified, check manual for specific API service category)

Engine Oil 4.7L:

SAE 5W-30 (API certified, check manual for specific API service category)

Transmission Fluid 42Re:

ATF+4 (Mopar)

Transmission Fluid 45Rfe:

ATF+4 (Mopar)

Transfer Case Fluid Nv247:

ATF+4 (Mopar) - Special Case

Transfer Case Fluid Nv242:

ATF+3 or ATF+4 (Mopar)

Front Axle Fluid:

SAE 75W-90 (API GL-5) - May require limited-slip additive if equipped.

Rear Axle Fluid:

SAE 75W-90 (API GL-5) - May require limited-slip additive if equipped.

Brake Fluid:

DOT 3

Known Issues

Common Problem 1:

Heater core leaks (common in WJ models).

Common Problem 2:

Death Wobble (front suspension/steering issues, often related to track bar or ball joints).

Common Problem 3:

Cracked exhaust manifolds (4.0L).

Common Problem 4:

Valve cover gasket leaks (common on both engines).

Common Problem 5:

Transfer case chain stretch (especially NV247).

Common Problem 6:

Oil filter adapter housing leaks (4.0L).

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Jeep has a long-standing reputation for robust off-road vehicles dating back to WWII.

Model Evolution

Wj Introduction:

The WJ generation replaced the ZJ Grand Cherokee, aiming for a more refined and luxurious experience.

Mercedes Benz Influence:

The WJ platform development benefited from the DaimlerChrysler merger, leading to shared technology and potentially improved build quality.

Production

Production Location:

Jefferson North Assembly Plant, Detroit, Michigan, USA.

Production Years Wj:

1999-2004

🏆 Awards & Recognition

Recognitions

Vehicle Awards General:

The Grand Cherokee WJ generally received positive reviews for its refined interior and capability, often cited in 'best SUV' lists of its time.