Vehicle Segment:
Mid-size luxury SUV.
Key Competitors:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery.
Platform:
Based on the Dodge Durango platform, but with Jeep's distinct styling and off-road prowess.
Off Road Capability:
Renowned for its robust 4x4 systems (Selec-Trac, Quadra-Trac II, Quadra-Drive) and solid axle configurations.
Coverage Scope:
Full Service, Repair, Maintenance, Rebuild, Refurbishment
Page Count:
Not specified in product information, but typically over 1500 pages for a full service manual.
Manual Type:
Full Service & Repair Manual
Format:
Likely digital (PDF) or printed manual.
Powertrain:
Engine mechanical (4.0L, 4.7L), fuel system, ignition system, exhaust system, cooling system, lubrication system.
Transmission:
Automatic transmission (42RE, 45RFE/545RFE), transfer case (NV242, NV247).
Drivetrain:
Front axle, rear axle, driveshafts, differentials, U-joints.
Brakes:
Front and rear brakes (disc), parking brake system, ABS (Anti-lock Braking System).
Suspension & Steering:
Front suspension (Solid front axle), rear suspension (Solid rear axle), steering system (power steering).
Electrical:
Battery, charging system, starting system, lighting, instrumentation, power distribution, body control module (BCM), security system.
Body & Chassis:
Exterior components, interior trim, doors, windows, seats, HVAC (Heating, Ventilation, and Air Conditioning), frame structure.
Maintenance:
Routine maintenance (oil change, filter replacement, fluid checks), scheduled maintenance intervals.
Troubleshooting:
Diagnostic procedures for common issues, fault code interpretation.
Repair:
Step-by-step repair instructions for all major systems, component removal and installation.
Rebuild:
Detailed procedures for rebuilding engines, transmissions, and differentials.
Diagnostic Capabilities:
Advanced diagnostic procedures, wiring diagrams, component testing methods.
Repair Complexity:
Covers everything from basic DIY repairs to professional-level rebuilds and complex electrical diagnostics.
Digital Format:
Typically PDF for digital versions, allowing for searchability and easy navigation.
Print Quality:
Professional, clear diagrams and text for printed versions.
Binding Type:
Likely spiral-bound or perfect-bound for printed versions to facilitate laying flat.
Paper Type:
Durable paper stock suitable for workshop environments.
Engine 1:
4.0L Inline 6-Cylinder (242 ci), OHV, 12 Valve. Power: ~190-205 hp, Torque: ~235-255 lb-ft.
Engine 2:
4.7L V8 Magnum (285 ci), OHV, 16 Valve. Power: ~235-260 hp, Torque: ~295-325 lb-ft.
Acceleration 0 60:
Varies by engine and configuration, typically 7.5-9.5 seconds.
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI).
Recommended Fuel:
Unleaded gasoline, 87 octane (minimum).
Transmission Standard:
42RE 4-speed automatic (with 4.0L engine).
Transmission Optional:
45RFE/545RFE 4-speed automatic (with 4.7L V8 engine).
Transfer Case Options:
NV231 (Selec-Trac - part-time 4WD), NV242 (full-time 4WD), NV247 (Quadra-Trac II - full-time 4WD with electronic transfer case).
Transfer Case Nv247 Features:
Vari-Lok center differential for torque transfer between front and rear axles.
Transmission Fluid Spec:
ATF+3 or ATF+4 (check owner's manual for specific recommendation, generally ATF+4 preferred).
NHTSA Front Impact:
Not explicitly rated or data not readily available for this specific year/model by NHTSA in standard format.
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Optional or standard on higher trims (e.g., Traction Control System - TCS).
Airbags:
Driver and front passenger airbags.
Seatbelts:
3-point front and rear seat belts.
Oil Change Interval:
Every 5,000 to 7,500 miles (8,000 to 12,000 km) or 6 months, depending on driving conditions. Refer to manual for specifics.
Coolant Flush Interval:
Approximately every 30,000 miles (48,000 km) or 2-3 years.
Transmission Fluid Change:
Every 30,000 to 60,000 miles (48,000 to 96,000 km), depending on towing and driving conditions.
Engine Oil Spec:
SAE 5W-30 for 4.0L, SAE 10W-30 for 4.7L (check manual for specific viscosity based on temperature).
Coolant Spec:
Chrysler HOAT (Hybrid Organic Acid Technology) coolant, typically a 50/50 mix with distilled water. Color is usually green.
Brake Fluid Spec:
DOT 3 or DOT 4.
Common Issue 1:
Heater Matrix/Blend Door Actuator Failure (leading to no heat or AC on one side).
Common Issue 2:
Front Sway Bar Bushings and End Links wear (leading to clunking noises).
Common Issue 3:
Cracked Cylinder Heads on 4.7L V8 engines (less common on 2001 but possible).
Common Issue 4:
Transfer Case Chain Stretch (especially on NV247 with high mileage).
Common Issue 5:
Power Window Regulator failure.
Jeep Legacy:
Jeep has a long history of producing rugged, capable off-road vehicles dating back to WWII.
Wj Generation:
The WJ generation (1999-2004) was a significant redesign from the previous ZJ, featuring a unibody construction and a more refined interior and exterior. It was the first Grand Cherokee to feature independent front suspension (though later replaced with solid axles in some markets/configurations, but not WJ). WJ utilized a solid front and rear axle for 2001 model year.
Manufacturing Location:
Jefferson North Assembly Plant, Detroit, Michigan, USA.
Consumer Guide Best Buy:
The Grand Cherokee WJ received 'Best Buy' awards from Consumer Guide during its production run for its blend of luxury, capability, and value.
J.D. Power Initial Quality:
Varies annually, but the WJ generation generally performed acceptably for the segment during its era.
