🏷️ Basic Information

Make:

Jeep

Model:

Grand Cherokee

Model Code:

WJ

Year:

1999

👋 Introduction

Positioning:

Premium mid-size SUV, known for off-road capability and comfort

Competitors:

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

Design:

Unibody construction (unique for its generation), dual-zone climate control, available premium audio

Off Road:

Quadra-Coil multi-link rear suspension, available full-time 4WD systems (Selec-Trac II, Quadra-Drive)

📋 Manual Details

Primary Coverage:

Complete Service and Repair

Engine Coverage:

All gasoline engines

Transmission Coverage:

Automatic transmissions

Chassis Coverage:

Suspension, Steering, Brakes, Drivetrain

Electrical Coverage:

Wiring diagrams, electrical components, diagnostics

Body Coverage:

Body panels, interior trim, climate control

Estimated Pages:

Over 2000 (estimated for a comprehensive manual of this era and scope)

Type:

Factory Service Manual (FSM)

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Engine Management:

Engine diagnostics, fuel injection, ignition systems, emission controls

Drivetrain:

Transfer case (NV242/NV247), front axle, rear axle, driveshafts, differentials

Brake System:

Hydraulic system, ABS, brake pad replacement, rotor machining/replacement, caliper service

Suspension System:

Front and rear suspension components, shocks, struts, springs, control arms, bushings

Steering System:

Steering gear, power steering pump and lines, tie rods, steering linkage

Cooling System:

Radiator, water pump, thermostat, cooling fans, coolant specifications

Fuel System:

Fuel pump, fuel filter, fuel injectors, fuel tank, evaporative emissions control (EVAP)

HVAC System:

Air conditioning, heating, ventilation, blower motor, refrigerant, system diagnostics

Exhaust System:

Exhaust manifolds, catalytic converter, mufflers, pipes

Interior Systems:

Seating, dashboard, door panels, headliner, interior lighting

Scheduled Maintenance:

Oil changes, fluid checks, filter replacements, tune-ups

Engine Overhaul:

Engine disassembly, inspection, repair, and reassembly procedures

Transmission Service:

Fluid and filter changes, internal component repair, torque converter replacement

Brake Repair:

Complete brake system overhaul, including bleeding, component replacement, and adjustments

Suspension And Steering Repair:

Component replacement, alignment specifications, troubleshooting

Electrical Troubleshooting:

Diagnostic procedures for all electrical systems, including use of scan tools and multimeter testing

Body And Paint:

Minor body repair, panel alignment, paint code information (often in supplemental sections)

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics

Depth:

Comprehensive (from basic maintenance to complete component overhauls and diagnostics)

📊 Manual Specifications

File Type:

PDF

Searchability:

Text-searchable

Quality:

High-resolution, clear diagrams and text

Binding:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine 1 Name:

4.0L Inline-6 (PowerTech)

Engine 1 Displacement:

3952 cc (241 cubic inches)

Engine 1 Bore X Stroke:

98.5 mm x 87.0 mm

Engine 1 Compression Ratio:

8.8:1

Engine 1 Horsepower:

190 hp @ 4600 rpm

Engine 1 Torque:

255 lb-ft @ 3000 rpm

Engine 2 Name:

4.7L V8 (PowerTech)

Engine 2 Displacement:

4701 cc (287 cubic inches)

Engine 2 Bore X Stroke:

93.0 mm x 86.6 mm

Engine 2 Compression Ratio:

8.7:1

Engine 2 Horsepower:

220 hp @ 4700 rpm

Engine 2 Torque:

300 lb-ft @ 3200 rpm

Fuel Delivery:

Multi-port Fuel Injection (MPI)

Recommended Fuel:

87 Octane Unleaded (for 4.0L), 89 Octane Unleaded Recommended for 4.7L

🔧 Transmission

Transmission 1:

42RE 4-Speed Automatic (with 4.0L I6)

Transmission 2:

45RFE 4-Speed Automatic (with 4.7L V8)

4Wd Systems:

Selec-Trac II (full-time 4WD with neutral), Quadra-Drive (full-time 4WD with electronic limited-slip differentials)

📐 Dimensions

Length:

184.5 in (4686 mm)

Width:

72.0 in (1829 mm)

Height:

66.7 in (1694 mm)

Wheelbase:

111.0 in (2819 mm)

Ground Clearance:

8.7 in (221 mm) (approx.)

Curb Weight 40L:

4,349 lbs (1973 kg)

Curb Weight 47L:

4,611 lbs (2091 kg)

Towing Capacity:

Up to 5,000 lbs (2268 kg)

🛡️ Safety Features

NHTSA Frontal Driver:

Not rated (vehicle age)

NHTSA Frontal Passenger:

Not rated (vehicle age)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Available (part of Quadra-Drive system)

Airbags:

Driver and front passenger airbags

Seatbelts:

Three-point seatbelts with pretensioners

💡 Technology Features

Audio System:

Optional Infinity Gold premium audio system, AM/FM/CD stereo

Climate Control:

Manual or optional dual-zone automatic climate control

Cruise Control:

Standard

Power Accessories:

Power windows, power locks, power mirrors

🔧 Maintenance

Oil Change Interval:

Every 3,000-7,500 miles (10W-30 or 5W-30 depending on temp, refer to manual for specifics)

Transmission Fluid Interval:

Every 30,000-60,000 miles (ATF+3/ATF+4 for 45RFE, ATF+3 for 42RE)

Coolant Change Interval:

Every 30,000-50,000 miles (Chrysler Long Life OAT - HOAT Pink)

Engine Oil Specification 40L:

API Certified SAE 10W-30 or 5W-30 (depending on ambient temperature range)

Engine Oil Specification 47L:

API Certified SAE 10W-30 or 5W-30 (depending on ambient temperature range)

Transmission Fluid Type 42Re:

Mopar ATF+3 (or equivalent)

Transmission Fluid Type 45Rfe:

Mopar ATF+4 (or equivalent)

Coolant Type:

Chrysler HOAT (Hybrid Organic Additive Technology) - Pink

Common Issue 1:

Cracked cylinder heads on early 4.7L V8 engines

Common Issue 2:

Water pump leaks (especially with the 4.0L I6)

Common Issue 3:

Front driveshaft carrier bearing failure

Common Issue 4:

Radiator end tank leaks

Common Issue 5:

Transfer case actuator failure (on some models with electronic transfer cases)

📚 Vehicle History

Jeep Legacy:

Jeep has a long history of producing rugged, off-road capable vehicles dating back to WWII.

Wj Generation:

The WJ is the second generation of the Grand Cherokee, introduced for the 1999 model year. It replaced the ZJ generation and featured a significant redesign with improved on-road manners and a more luxurious interior.

Production Period:

1999-2004

Manufacturing Plant:

Jefferson North Assembly Plant, Detroit, Michigan

🏆 Awards & Recognition

Award 1:

MotorTrend's SUV of the Year (1999)

Award 2:

Four Wheeler Magazine's Four-Wheeler of the Year (1999)