🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Year:

1999

Generation Code:

WJ

Chassis Code:

WJ

👋 Introduction

Vehicle Segment:

Mid-size luxury SUV

Target Audience:

Owners seeking to perform their own maintenance and repairs, DIY enthusiasts, professional mechanics

Key Competitors:

Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery

Manual Advantage:

Comprehensive, digital format (PDF) offering flexibility in printing and accessibility, cost-effective alternative to physical factory manuals.

Vehicle Strengths:

Comfortable ride, capable off-road performance, spacious interior, robust powertrain options.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Suspension:

Yes

Brakes:

Yes

Electrical System:

Yes

Fuel System:

Yes

Cooling System:

Yes

Lubrication Maintenance:

Yes

Heating Air Conditioning:

Yes

Exhaust System:

Yes

Body:

Yes

Emission Control Systems:

Yes

Wiring Diagrams:

Yes

Estimated Page Count:

Extensive (typical factory manual is 2000+ pages)

Type:

Workshop Service / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain Components:

Engine, transmission, transfer case, axles, drivetrain

Chassis Components:

Suspension (front and rear), steering, brakes (front and rear), wheels, tires

Electrical And Electronic Systems:

Starting and charging, ignition, lighting, instrumentation, comfort controls, body electronics, infotainment, security systems, powertrain control modules (PCM), anti-lock braking system (ABS), airbags

Comfort And Climate Control:

HVAC system operation, diagnosis, repair, refrigerant handling

Body And Interior:

Exterior body panels, doors, windows, interior trim, seats, glass, bumpers

Maintenance Procedures:

Fluid changes (oil, coolant, brake fluid, transmission fluid, power steering fluid), filter replacements, lubrication, tire rotation, inspections

Diagnostic Procedures:

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

Repair Procedures:

Component removal and installation, disassembly and reassembly, adjustments, calibrations

Rebuild Procedures:

Engine rebuilds, transmission overhauls, suspension component rebuilds

Wiring And Schematics:

Comprehensive wiring diagrams for all vehicle systems, component location diagrams

Diagnostic Capability:

Advanced diagnostics, including scan tool data interpretation and electrical system troubleshooting

Repair Scope:

Covers everything from basic fluid checks to complete engine and transmission rebuilds

Detail Level:

Detailed step-by-step instructions with specifications, torque values, and special tool requirements

📊 Manual Specifications

Readability:

High-resolution PDF for clear viewing and printing

Searchability:

Likely text-searchable PDF for quick information retrieval

Print Options:

Printable in full or by section, enabling users to create physical copies of relevant information

Visual Aid Quality:

Contains numerous pictures and diagrams

Binding:

N/A (Digital PDF)

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Option 1:

4.0L I6 (PowerTech)

Engine Option 1 Displacement:

3952 cc

Engine Option 1 Horsepower:

190 hp @ 4600 rpm

Engine Option 1 Torque:

235 lb-ft @ 3200 rpm

Engine Option 2:

4.7L V8 (PowerTech)

Engine Option 2 Displacement:

4701 cc

Engine Option 2 Horsepower:

230 hp @ 4700 rpm

Engine Option 2 Torque:

295 lb-ft @ 3200 rpm

Engine Management:

Electronic ignition, fuel injection (MPI)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

20.5 gallons (77.6 liters)

🔧 Transmission

Transmission Type I6:

4-speed automatic (42RE)

Transmission Type V8:

4-speed automatic (45RFE / 545RFE)

Transfer Case:

Selec-Trac (full-time 4WD) or Quadra-Drive (full-time 4WD with front/rear electronic limited-slip differentials)

📐 Dimensions

Length:

185.0 inches (4699 mm)

Width:

73.3 inches (1862 mm)

Height:

67.5 inches (1715 mm)

Wheelbase:

116.0 inches (2946 mm)

Curb Weight I6:

Approx. 4300-4500 lbs (1950-2041 kg)

Curb Weight V8:

Approx. 4500-4700 lbs (2041-2132 kg)

Gross Vehicle Weight Rating:

Approx. 5800-6000 lbs (2631-2722 kg)

🛡️ Safety Features

NHTSA Frontal Impact Driver:

4 Stars

NHTSA Frontal Impact Passenger:

4 Stars

ABS:

Standard (4-wheel disc brakes with ABS)

Airbags:

Driver and front passenger airbags

Seat Belts:

Front and rear seat belts, driver's side pretensioner

💡 Technology Features

Audio System:

Available premium audio systems (e.g., Infinity Gold) with CD player and AM/FM radio. Cassette player also available.

Navigation:

Optional factory navigation system available on some higher trims.

Cruise Control:

Standard

Traction Control:

Available on some models, integrated with ABS.

Auxiliary Input:

Not typically available in factory systems for this era; aftermarket solutions common.

🔧 Maintenance

Engine Oil Change:

Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, depending on driving conditions and oil type. Refer to manual for specific recommendations.

Transmission Fluid Change:

Every 30,000-60,000 miles (48,000-97,000 km) or as per manual. Use correct fluid type.

Coolant Change:

Every 30,000 miles (48,000 km) or 2 years. Use correct type of coolant (Chrysler/Mopar HOAT).

Engine Oil Recommendation:

SAE 5W-30 or 5W-40 for most conditions. Check manual for specific engine and climate recommendations. API certified.

Transmission Fluid Recommendation:

ATF+4 (MS-9602) for 45RFE/545RFE transmissions. ATF+3 (MS-9224) for 42RE transmission. Incorrect fluid can cause damage.

Brake Fluid Recommendation:

DOT 3

Power Steering Fluid Recommendation:

ATF+4 (MS-9602) or power steering fluid meeting Chrysler specification MS-1083

Common Issue 1:

Cracked cylinder heads (especially on early 4.0L engines, though less common on WJ than previous generations).

Common Issue 2:

Water pump leaks or failure.

Common Issue 3:

Heater blend door actuator failure (leading to poor temperature control).

Common Issue 4:

Transfer case chain stretch or failure, particularly with Quadra-Trac II and Quadra-Drive.

Common Issue 5:

Minor oil leaks from valve cover gaskets or oil pan gaskets.

Common Issue 6:

PCM (Powertrain Control Module) failure, often due to heat or moisture ingress.

📚 Vehicle History

Brand Legacy:

Jeep has a long-standing heritage in producing robust, capable off-road vehicles since its origins in WWII.

Grand Cherokee Introduction:

First generation (ZJ) introduced in 1993 as a more luxurious and comfortable SUV, filling the gap between the Cherokee and Wagoneer.

Wj Generation Introduction:

The WJ generation replaced the ZJ in 1999, offering a more refined exterior and interior, improved aerodynamics, and updated powertrains. It marked a significant step in Jeep's move towards more on-road comfort without compromising off-road capability.

Wj Production Years:

1999-2004

🏆 Awards & Recognition

Major Automotive Reviews:

The WJ Grand Cherokee was generally well-received for its on-road manners, comfort, and improved interior compared to its predecessor. It often appeared on 'best SUV' lists for its segment at the time.

Off Road Capability:

Highly rated for off-road capability, especially with the Quadra-Drive system, a hallmark of the Jeep brand.