Segment:
Mid-size luxury SUV
Competitors 1999:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder
Distinctive Attributes:
Unibody construction, refined interior, improved on-road manners compared to previous generation.
Engine:
All engine variants including 4.0L I6 and 4.7L V8
Transmission:
Automatic Transmission (42RE, 45RFE/545RFE)
Drivetrain:
Four-wheel drive systems (NV242, NV247)
Suspension:
Front and rear suspension systems
Brakes:
Front and rear brake systems, ABS
Steering:
Power steering system
Electrical:
Complete electrical system, wiring diagrams, diagnostics
Body:
Body panels, interior trim, glass, doors, latches
HVAC:
Heating, Ventilation, and Air Conditioning system
Fuel:
Fuel system, fuel pump, injectors
Cooling:
Cooling system, radiator, water pump
Exhaust:
Exhaust system components and repair
Emissions:
Emissions control systems and diagnostics
Interior:
Seating, dashboard, interior components
Lighting:
Exterior and interior lighting systems
Comfort Convenience:
Power windows, locks, mirrors, remote keyless entry
Maintenance:
Routine maintenance, oil changes, filter replacements
Troubleshooting:
Diagnostic procedures for common issues and fault codes
Repair:
Component removal, installation, and repair for all major systems
Rebuild:
Engine and transmission rebuild procedures
Diagnostics:
Detailed diagnostic flowcharts and troubleshooting guides
Specifications:
Torque specifications for all fasteners
Wiring Diagrams:
Comprehensive electrical wiring diagrams
Body Repair:
Procedures for body panel alignment, rust repair, and bumper replacement.
Depth:
Covers everything from basic maintenance to complex engine and transmission overhauls.
Diagnostic Tools:
Details procedures for using scan tools for DTC retrieval and live data.
NHTSA Driver Front Impact:
4 Stars
NHTSA Passenger Front Impact:
4 Stars
ABS:
Standard (4-wheel disc brakes with ABS)
Airbags Front:
Standard dual front airbags
Child Seat Anchors:
LATCH system (available on later models, check specific vehicle)
Oil Change Interval:
Every 3,000 - 5,000 miles or 6 months, depending on driving conditions.
Tire Rotation Interval:
Every 5,000 - 7,500 miles
Transmission Fluid Change Interval:
Every 30,000 - 60,000 miles (check manual for specific fluid type and interval).
Engine Oil 4.0L:
API SN/SP, SAE 5W-30 (refer to manual for exact specification)
Engine Oil 4.7L:
API SN/SP, SAE 5W-30 (refer to manual for exact specification)
Transmission Fluid 42Re:
ATF+4 (Mopar part number 05010004AA)
Transmission Fluid 45Rfe/545Rfe:
ATF+4 (Mopar part number 05010004AA)
Coolant:
Mopar Antifreeze/Coolant 50/50 (or equivalent HOAT coolant)
Power Steering Fluid:
ATF+4 (Mopar part number 05010004AA)
Common Problems Wj:
Rear main seal leaks, transfer case chain stretch, death wobble (if steering/suspension worn), cracked cylinder heads (on some early 4.7L models), HVAC blower motor resistor failure.
Jeep Legacy:
Renowned for off-road capability and ruggedness since its inception.
Wj Generation Start:
Introduced for the 1999 model year, replacing the ZJ generation.
Wj Key Changes From Zj:
Unibody construction, revised interior, quieter ride, improved aerodynamics.
Wj Engine Options:
The WJ generation marked the introduction of the more powerful and refined 4.7L V8 engine.
Manufacturing Location:
Detroit, Michigan, USA
