Segment:
Mid-size Luxury SUV
Competitors 2001:
Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery
Platform:
WJ Platform (shared with Mercedes-Benz M-Class)
Powertrain Options:
Available with multiple engine and 4x4 system configurations
Target Audience:
Families, off-road enthusiasts, those seeking a capable and comfortable SUV
Benefit To Owner:
Enables DIY repairs and maintenance, saving money and increasing vehicle longevity
Engine Systems:
Engine performance, diagnostics, repair, cooling system, fuel system, exhaust system, emissions control
Drivetrain:
Transmission (automatic), transfer case, differential, driveline components, CV joints, driveshafts
Suspension Steering Brakes:
Front and rear suspension, steering system, power steering, brake system (hydraulic, ABS), parking brake
Electrical Electronics:
Electronic control modules (ECMs), ignition control, instrument cluster, audio system, chime/buzzer, message systems, power systems, speed control, vehicle theft security, lamps, wiring diagrams
Body Chassis:
Frame, bumpers, body panels, doors, windows, interior trim, heating and air conditioning (HVAC), wipers/washers
Maintenance Lubrication:
Scheduled maintenance, lubrication points, fluid types and capacities, filter replacement
Diagnostic Procedures:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis
Repair Procedures:
Step-by-step repair instructions for all major components and systems
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement
Component Replacement:
Detailed instructions for replacing engine components, transmission, suspension parts, brakes, electrical modules, etc.
Wiring Troubleshooting:
Comprehensive wiring diagrams for electrical systems, circuit testing
Depth:
Comprehensive, covering basic maintenance to advanced diagnostics and repair procedures. High quality diagrams and instructions.
Engine Options 2001:
4.0L Inline-6 (PowerTech) and 4.7L V8 (High Output)
4.0L Engine Specs:
Approximately 190 hp @ 4600 rpm, 235 lb-ft @ 3200 rpm
4.7L V8 Engine Specs:
Approximately 235 hp @ 4500 rpm, 295 lb-ft @ 3200 rpm (standard); 260 hp @ 4800 rpm, 325 lb-ft @ 3400 rpm (High Output)
Fuel Delivery:
Multi-point fuel injection (MPI)
4.7L Engine Code:
EVC (standard), EVX (High Output)
Transmission Type:
4-speed Automatic (42RE for 4.0L, 45RFE/545RFE for 4.7L)
Transmission Options:
Manual transmission was discontinued after the previous generation (ZJ).
Transfer Case Options:
Selec-Trac (full-time 4WD), Quadra-Trac II (part-time 4WD with 2-speed transfer case), Quadra-Drive (full-time 4WD with electronic limited-slip differentials)
42Re Fluid:
ATF+4 (Mopar Material Number 05013457AA)
45Rfe/545Rfe Fluid:
ATF+4 (Mopar Material Number 05013457AA)
Wheelbase:
116.0 inches (2946 mm)
Length:
184.6 inches (4689 mm)
Width:
74.8 inches (1900 mm)
Height:
67.0 inches (1702 mm)
Curb Weight Approx:
4,050 - 4,550 lbs (1837 - 2064 kg), depending on configuration
Towing Capacity Max:
Up to 6,500 lbs (2948 kg), depending on configuration and towing package
Gvwr Approx:
5,700 - 6,000 lbs (2585 - 2722 kg)
NHTSA Rollover Rating:
4/5 stars (as reported by NHTSA for similar models of the era)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional Traction Control System (TCS)
Airbags:
Standard front airbags, optional side airbags
Seatbelts:
Front seat pretensioners
Audio System Options:
AM/FM stereo with CD player, cassette player, optional Infinity premium audio system with amplifier and subwoofer.
Cruise Control:
Standard Speed Control (Cruise Control)
Telematics:
Optional Uconnect system (though more advanced versions appeared in later models).
Oil Change Interval:
Typically 3,000 - 7,500 miles (4,800 - 12,000 km) or 6 months, depending on driving conditions and oil type (refer to manual for exact specifications).
Transmission Fluid Change:
Recommended every 30,000 - 60,000 miles (48,000 - 96,000 km), especially if towing. Refer to manual for specific interval.
Coolant Change:
Typically every 30,000 - 60,000 miles (48,000 - 96,000 km) or 2-4 years. Refer to manual for specific type and interval.
Engine Oil Type 4.0L:
SAE 10W-30 (refer to manual for seasonal variations and specific Mopar recommendations)
Engine Oil Type 4.7L:
SAE 5W-30 or 5W-20 (refer to manual for seasonal variations and specific Mopar recommendations)
Coolant Type:
Mopar HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, orange or pink color. Do not mix with other types.
Common Problems:
Cooling system issues (radiator leaks, water pump), head gasket leaks (especially on early 4.7L V8), transfer case chain stretch, interior electronic module failures, CV joint wear, differential seal leaks.
Frame Rust:
Potential for rust on the unibody frame, particularly in areas with road salt.
Jeep Legacy:
Jeep has a long-standing reputation for off-road capability and ruggedness, dating back to its military origins.
Wj Generation Introduction:
The WJ Grand Cherokee replaced the ZJ generation, with significant updates in styling, interior, and shared platform technology with Mercedes-Benz.
Wj Platform Significance:
The WJ platform was the first Grand Cherokee to use independent front suspension (IFS) for improved on-road comfort, while retaining robust 4x4 systems for off-road use.
Manufacturing Locations:
Detroit, Michigan, USA; Graz, Austria (for European markets)
