Target Audience:
DIY owners and professional technicians servicing the 1999-2004 Jeep Grand Cherokee WJ
Segment:
Mid-size sport utility vehicle, offered in Laredo, Limited, and Special Edition trims
Strength vs Competitors:
Strong off-road capability with solid axles and available Quadra-Drive 4WD, compared to more road-focused SUVs of its era
Factory Documentation:
Well-supported by comprehensive factory service documentation, ideal for self-repair
Drivetrain:
Available Quadra-Drive and Quadra-Trac II 4WD systems with Vari-Lok differentials
Engines:
4.0L inline-six and 4.7L V8 options
Suspension:
Front coil-sprung A-arm and rear solid axle with coil springs
Manual Type:
Factory service / workshop manual
Coverage Areas:
All workshop procedures from spark plug replacement to complete engine rebuild, plus electrical diagrams, torque settings, and fluid capacities
Page Count:
N/A - multi-volume compilation, thousands of pages
Delivery Method:
Instant digital download
Printing:
All pages printable for use in home, office, or repair shop
General Information:
Identification, specifications, and maintenance procedures
Engine:
Complete mechanical service for all WJ engine options
Fuel Injection / Ignition:
Injection-ignition and injection system diagnosis and repair
Clutch:
Clutch removal, inspection, and service procedures
Gearbox / Transmission:
Manual and automatic transmission overhaul and adjustment
Suspension System:
Front and rear suspension service, alignment, and component replacement
Wheels:
Wheel and tire specifications, hub, and bearing service
Braking System:
Disc and drum brake service, ABS diagnosis and repair
Steering:
Steering gear, linkage, and power steering service
Heating & Air Conditioning:
Air temperature control system service and refrigerant procedures
Electrical System:
Wiring diagrams, connector views, and component testing
Bodywork:
Panel removal, adjustment, and repair procedures
Step-by-Step Instructions:
Detailed instructions and step-by-step diagrams for all workshop procedures
Electrical Diagrams:
Complete wiring diagrams included
Torque Specifications:
Torque settings provided for all fasteners
Fluid Capacities:
Fluid capacities and specifications for all systems
Technical Data:
Full technical data tables throughout
Exploded View Diagrams:
Detailed illustrations including exploded view diagrams for assembly reference
Depth & Parts Information
Technical Depth:
Workshop-level depth, from spark plug replacement to complete engine rebuild; suitable for any skill level
Parts Illustrations:
Spare parts illustrations with detailed exploded views
Skill Level:
Written for both DIY owners and professional technicians
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Base Engine:
4.0L Power-Tech inline 6-cylinder
Optional Engine:
4.7L Power-Tech V8 (introduced on WJ)
V8 High Output:
4.7L HO V8 available on 2002-2004 Limited models
4.0L I6 Power:
Approximately 195 hp at 4,600 rpm, 230 lb-ft of torque at 3,200 rpm
4.7L V8 Power:
Approximately 235 hp at 4,800 rpm, 295 lb-ft of torque at 3,200 rpm
4.7L HO Power:
Approximately 265 hp at 5,100 rpm, 330 lb-ft of torque at 3,600 rpm
Fuel Type:
Unleaded gasoline
Fuel Delivery:
Sequential multi-port fuel injection
Fuel Tank Capacity:
Approximately 20.5 gallons (77.5 L)
Standard Transmission:
4-speed 42RE automatic (4.0L models)
Optional Transmission:
5-speed 45RFE / 5-45RFE automatic (4.7L V8 models)
Manual Transmission:
N/A - WJ was not offered with a manual transmission
4WD Systems:
Command-Trac II (part-time), Selec-Trac II (full-time), and Quadra-Drive (with Vari-Lok progressive differentials)
Transfer Case:
NP231 / NP242 / NP247 depending on 4WD system
Towing Capability:
Up to approximately 6,500 lb with properly equipped 4.7L V8 models
Wheelbase:
105.9 in (2,690 mm)
Length:
Approximately 181.5 in (4,610 mm)
Width:
Approximately 72.3 in (1,836 mm)
Height:
Approximately 69.4 in (1,763 mm)
Curb Weight:
Approximately 3,700-4,300 lb depending on engine and 4WD equipment
GVWR:
Approximately 5,300-5,700 lb depending on configuration
NHTSA Frontal Rating:
N/A - consult archived NHTSA results for specific model year
IIHS Evaluation:
N/A - not specified for this model in the manual
ABS:
Four-wheel anti-lock brakes standard
Traction Control:
Available with Quadra-Drive and Limited trims
Airbags:
Driver and front passenger airbags; side airbags available on later models
Seat Belts:
Three-point belts at outboard seating positions
Child Restraint:
LATCH / child-seat anchorage provisions depending on model year
Audio System:
AM/FM cassette and later CD player options; Infinity premium audio available on Limited
Climate Control:
Automatic temperature control available on Limited trims
Advanced Driver Aids:
N/A - modern ADAS features were not available in this era; assists limited to ABS and traction control
Instrumentation:
Full gauge package with low-fuel and service reminder indicators
Oil & Filter:
Approximately every 3,000-7,500 miles depending on driving conditions and oil type
Tire Rotation:
Approximately every 7,500 miles
Spark Plugs:
Approximately every 30,000 miles (4.0L) per factory schedule
Coolant:
Replace per scheduled maintenance intervals in the manual
Engine Oil:
SAE 10W-30 or 5W-30 per factory specifications; capacity approximately 6 quarts (4.0L) with filter
Automatic Transmission Fluid:
Mopar ATF+3 / ATF+4 type fluid - do not substitute Dexron
Coolant:
Ethylene glycol-based HOAT-type coolant mixed 50/50 with water
Transfer Case & Differentials:
Mopar-specified gear lubricants; Quadra-Drive requires specific Vari-Lok fluid
Brake Fluid:
DOT 3 brake fluid
Known Issues & Wear Items
4.7L V8:
Timing chain tensioner and sludge concerns if oil changes are neglected
4.0L I6:
Exhaust manifold cracks and rear main seal leaks are common with age
Common Wear:
Front suspension ball joints, tie rod ends, and blend-door actuators are frequent replacement items
Manufacturer:
Jeep (DaimlerChrysler during WJ production)
Model Lineage:
Successor to the ZJ Grand Cherokee (1993-1998)
Introduction:
WJ Grand Cherokee launched for the 1999 model year as an all-new platform
Mid-cycle Updates:
4.7L HO engine and refreshed styling details added around 2002
End of Production:
2004, replaced by the third-generation WK Grand Cherokee
Assembly Plant:
Jefferson North Assembly Plant, Detroit, Michigan, USA
