Segment:
Mid-size Luxury/Performance SUV
Competitors:
Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Nissan Pathfinder, Land Rover Discovery
Features:
Available V8 engine, robust 4x4 systems (Selec-Trac, Quadra-Drive), comfortable interior, towing capability
Engine:
Engine mechanical, cooling, lubrication, fuel, ignition, emissions, starting, charging
Transmission:
Automatic transmission (e.g., 42RE, 45RFE, 545RFE) overhaul, diagnostics, service
Drivetrain:
Transfer case, front and rear axles, driveshafts, U-joints, differentials
Suspension:
Front and rear suspension (solid axle front, multi-link rear), steering components
Brakes:
Hydraulic brake system, ABS, parking brake
Electrical:
Wiring diagrams, connectors, fuse and relay locations, lighting, power accessories, charging system, ignition system
Body:
Body panels, doors, windows, interior trim, HVAC system, exterior trim
Chassis:
Frame, exhaust system, fuel tank, evaporative emissions control
Maintenance:
Tune-ups, lubrication, fluid changes, filter replacements, belt and hose inspection/replacement
Repair:
Engine rebuilds, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics
Installation:
Component installation procedures (e.g., replacement parts)
Depth:
OEM Specifications, detailed step-by-step procedures, diagnostic flowcharts, exploded diagrams, torque values, tolerances
Engine Options:
4.0L SOHC I6 (PowerTech), 4.7L OHV V8 (Magnum)
4.0L I6 Horsepower:
195 hp @ 4600 rpm (approx.)
4.0L I6 Torque:
235 lb-ft @ 3200 rpm (approx.)
4.7L V8 Horsepower:
235 hp @ 4800 rpm (approx.)
4.7L V8 Torque:
305 lb-ft @ 3200 rpm (approx.)
Fuel Injection:
Sequential Multi-Port Fuel Injection (MPI)
Standard Transmission:
4-speed automatic (e.g., 42RE, 45RFE)
Optional Transmission:
None listed for 2001 (primarily automatic)
Transmission Types:
42RE (for 4.0L I6), 45RFE (for 4.7L V8, later 545RFE with overdrive)
NHTSA Frontal Driver:
Good (IIHS Frontal Offset)
NHTSA Frontal Passenger:
Good (IIHS Frontal Offset)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional Traction Control System (TCS)
Airbags:
Driver and front passenger airbags
Audio Options:
AM/FM stereo, CD player, cassette player, optional Infinity speaker system
Power Accessories:
Power windows, power locks, power mirrors
Oil Change Interval:
3,000 - 7,500 miles (dependent on oil type and driving conditions, consult manual)
Transmission Fluid Interval:
50,000 - 100,000 miles (check manual for specific type and service)
Engine Oil Type:
SAE 5W-30 (recommended for both engines, check manual for temperature variations)
Coolant Type:
Chrysler/Mopar HOAT (Hybrid Organic Acid Technology) or equivalent
Transmission Fluid Type 42Re:
ATF+3 (Chrysler specification)
Transmission Fluid Type 45Rfe:
ATF+4 (Chrysler specification)
Common Problems:
Cracked cylinder heads (early 4.7L V8), death wobble (front steering/suspension), minor electrical gremlins, rust on body and frame (depending on climate)
Brand Focus:
Off-road capability, ruggedness, towing
Generation:
Second Generation (WJ) 1999-2004
Manufacturing Location:
Detroit, Michigan, USA; Graz, Austria (for specific markets)
