Segment:
Mid-size Luxury SUV
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, dealership technicians
Competitors:
Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery
Vehicle Attributes:
Renowned for its capability, comfortable ride, and available upscale features; WJ generation marked a significant step up in refinement and technology
Manual Value Proposition:
Provides factory-level diagnostic and repair information, saving significant costs compared to dealership service; empowers users with detailed, accurate procedures.
Primary Coverage:
All repair and maintenance procedures for the 2001 Jeep Grand Cherokee WJ
Secondary Coverage:
Diagnostic information, wiring diagrams, component removal and installation
Estimated Page Count:
Over 2000 pages (typical for a comprehensive factory service manual)
Manual Type:
Factory Service Repair Manual
Powertrain:
Engine (4.0L I6, 4.7L V8), Automatic Transmission (42RE, 45RFE/545RFE), Transfer Case (NV242, NV247), Differentials (Front/Rear)
Chassis:
Suspension (Front/Rear), Steering, Brakes (ABS, standard), Wheels & Tires, Frame & Bumpers
Electrical:
Instrument Cluster, Lighting, Audio/Video, Chime/Buzzer, Clock, Electronic Control Modules (ECM/PCM), Ignition Control, Horn, Lamps, Message Systems, Power Systems, Restraints (Airbags), Speed Control, Vehicle Theft Security, Wipers/Washers, Navigation/Telecommunication, Wiring Harnesses
Body:
Body Panels, Doors, Windows, Seats, Interior Trim, HVAC (Heating and Air Conditioning)
Emissions:
Emission Control Systems
Maintenance:
Scheduled maintenance, lubrication, fluid checks and changes, filter replacements
Repair:
Component removal, disassembly, inspection, repair, assembly, and installation for all major systems
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics
Depth:
Comprehensive (from basic fluid changes to complete engine and transmission rebuilds, complex electrical diagnostics)
Transmission Type 1:
4-Speed Automatic (42RE) - Typically with 4.0L engine
Transmission Type 2:
4-Speed Automatic (45RFE/545RFE) - Typically with 4.7L V8 engine
Transfer Case Options:
NV242 Selec-Trac (part-time 4WD with 2WD option), NV247 Quadra-Trac II (full-time 4WD with electronic varying torque split)
Transmission Fluid Type 42Re:
ATF+4 (Mopar material #05013457AA or equivalent)
Transmission Fluid Type 45Rfe 545Rfe:
ATF+4 (Mopar material #05013457AA or equivalent)
NHTSA Frontal Driver:
Not explicitly rated for 2001 model year under current stringent standards, but designed to meet Federal Motor Vehicle Safety Standards (FMVSS)
NHTSA Frontal Passenger:
Not explicitly rated for 2001 model year under current stringent standards, but designed to meet Federal Motor Vehicle Safety Standards (FMVSS)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional (depending on trim and drivetrain)
Airbags:
Standard front airbags (driver and passenger), optional side airbags
Seatbelts:
All seating positions equipped with three-point seat belts
Audio Options:
Various factory radio systems including AM/FM stereo, CD player, cassette player, and optional premium sound systems (e.g., Infinity).
Navigation:
Optional factory navigation system available on some higher trim levels.
Cruise Control:
Standard Speed Control (Cruise Control) system.
Telematics:
Optional Uconnect or similar telematics/communication systems not typically found on 2001 models. Communication features would be limited to factory radio and optional phone integration (if equipped).
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first, under normal driving conditions. Severe conditions may require more frequent changes.
Tire Rotation Interval:
Every 7,500 miles (12,000 km) or as recommended by tire manufacturer.
Transmission Fluid Change:
Typically around 60,000-100,000 miles (96,000-160,000 km), or per severe service schedule. Consult manual for exact intervals based on driving conditions.
Engine Oil Specification:
SAE 5W-30 (for both 4.0L and 4.7L engines)
Engine Coolant:
Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT (Hybrid Organic Additive Technology) type, or equivalent (typically a 50/50 mix with distilled water).
Power Steering Fluid:
Mopar Power Steering Fluid or equivalent (typically Mopar Type 2 or ATF+4 compatible)
Brake Fluid:
DOT 3 or DOT 4 brake fluid
Common Problems 4.0L:
Cracked cylinder heads (especially earlier WJ models with 0331 casting), manifold intake leaks, occasional coolant leaks from heater core/lines.
Common Problems 4.7L:
Valve seat recession, carbon buildup on valves, intake manifold gasket leaks, PCM failures (especially earlier versions).
Common Problems General:
Worn front suspension components (ball joints, tie rods, control arm bushings), water pump leaks, transfer case chain stretch (NV247), ABS sensor failures, rear main seal leaks.
Jeep Legacy:
Jeep has a long-standing reputation for off-road capability and ruggedness, dating back to its WWII origins.
Grand Cherokee Introduction:
First introduced in 1993 as a more luxurious and comfortable alternative to the Cherokee (XJ).
Wj Generation:
The WJ generation (1999-2004) represented a significant redesign, moving to unibody construction (like the Grand Cherokee ZJ) but with a focus on improved on-road manners, a more sophisticated interior, and advanced features.
Manufacturing Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA
