Segment:
Mid-size Luxury SUV
Competitors:
Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder
Distinguishing Factors:
Renowned off-road capability (Quadra-Trac II, Quadra-Drive), comfortable ride, spacious interior, available V8 engine.
Demographic:
Families, outdoor enthusiasts, individuals seeking a capable and comfortable SUV.
Engine:
4.0L Power Tech I6, 4.7L Magnum V8 (PFE/PGK)
Transmission:
42RE (4-speed Automatic), 45RFE/545RFE (4-speed/5-speed Automatic)
Drivetrain:
NV140, NV242, NV247, NV235 Transfer Cases, Selec-Trac, Quadra-Trac II, Quadra-Drive
Suspension:
Front: Solid Axle with Coil Springs, Rear: Solid Axle with Coil Springs
Brakes:
Front: Ventilated Disc, Rear: Solid Disc (with or without ABS), Hydraulic Power Booster
Steering:
Power Assisted Recirculating Ball
Electrical:
Battery, Charging System, Ignition System, Lighting, Instrument Cluster, Power Accessories, HVAC Controls, Anti-Lock Brakes (ABS), Sentry Key Immobilizer System
Body:
Exterior Body Panels, Doors, Hood, Tailgate, Interior Trim, HVAC System, Seats, Glass
Diagnostics:
On-Board Diagnostics (OBD-II), DTCs (Diagnostic Trouble Codes), Symptom-Based Troubleshooting
Maintenance:
Oil Change, Filter Replacement, Fluid Checks and Top-offs, Spark Plug Replacement, Belt Inspections and Replacement
Repair:
Engine Overhaul, Transmission Rebuild, Drivetrain Component Replacement, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues across all major systems
Specifications:
Torque specifications, fluid capacities and types, electrical schematics, component measurements
Installation:
Guidance for installing and removing major components and accessories
Depth:
Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.
Engine 1:
4.0L Power Tech I6
Engine 1 Displacement:
3952 cc (241 cu in)
Engine 1 Bore X Stroke:
98.5 mm x 86.6 mm (3.88 in x 3.41 in)
Engine 1 Compression Ratio:
8.8:1
Engine 1 Horsepower:
190 hp @ 4400 rpm
Engine 1 Torque:
235 lb-ft @ 3200 rpm
Engine 2 Displacement:
4701 cc (287 cu in)
Engine 2 Bore X Stroke:
93.0 mm x 86.6 mm (3.66 in x 3.41 in)
Engine 2 Compression Ratio:
9.6:1
Engine 2 Horsepower:
235 hp @ 4700 rpm
Engine 2 Torque:
295 lb-ft @ 3200 rpm
Fuel Delivery:
Multi-port Electronic Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
ECU:
Chrysler NGC (Next Generation Controller)
Transmission 1:
42RE 4-Speed Automatic
Transmission 2:
45RFE/545RFE 4/5-Speed Automatic (later model year variants)
Transfer Case Options:
NV140 (2WD), NV242 (Selec-Trac Full-Time 2-Speed), NV247 (Quadra-Trac II Full-Time 2-Speed), NV235 (Quadra-Drive with Electronic Limited Slip Differentials)
Automatic Transmission Fluid:
ATF+4 (Mopar)
Automatic Transmission Fluid Capacity:
Approx. 8.5 quarts (8.0 L) for 42RE, 10.5 quarts (9.9 L) for 45RFE/545RFE (check manual for exact)
Wheelbase:
116.0 inches (2946 mm)
Length:
189.8 inches (4821 mm)
Width:
74.0 inches (1880 mm)
Height:
72.5 inches (1841 mm)
Ground Clearance:
Approx. 8.0 inches (203 mm) to 8.7 inches (221 mm) depending on configuration
Curb Weight:
Approx. 4,200 - 4,700 lbs (1905 - 2132 kg) depending on engine and drivetrain
Gross Vehicle Weight Rating Gvwr:
Approx. 5,600 - 6,100 lbs (2540 - 2767 kg)
Cargo Volume Behind Rear Seat:
Approx. 39.2 cu ft (1.11 m³)
Cargo Volume With Rear Seat Folded:
Approx. 74.4 cu ft (2.11 m³)
NHTSA Front Crash Test Rating:
4 Stars (Driver), 5 Stars (Passenger) - Model Year dependent and varies
IIHS Frontal Offset Rating:
Good (for most models)
ABS:
Standard (Anti-lock Braking System)
Traction Control:
Optional (depending on Selec-Trac or Quadra-Drive system)
Airbags:
Driver and front passenger airbags. Optional side curtain airbags.
Seatbelts:
Three-point seat belts with pretensioners
Sentry Key:
Standard Immobilizer System
Oil Change Interval:
Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (depending on driving conditions and oil type used, refer to manual for specifics).
Engine Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection.
Spark Plug Replacement:
4.0L I6: Approx. 100,000 miles (160,000 km) with platinum plugs. 4.7L V8: Approx. 60,000-100,000 miles (96,000-160,000 km) with platinum/iridium plugs (refer to manual for specific plug type).
Engine Oil Specification:
SAE 5W-30 (preferred for both engines, check manual for specific climate recommendations).
Coolant Specification:
Chrysler HOAT (Hybrid Organic Acid Technology) antifreeze (usually pink or orange) - Mopar P/N 05103533AA or equivalent.
Brake Fluid Specification:
DOT 3.
Power Steering Fluid Specification:
ATF+4 (Mopar P/N 05013457AA or equivalent).
Common Problems:
Cracked cylinder heads (4.7L V8), death wobble (steering/suspension related), front sway bar links wear, radiator leaks, water pump leaks, heater core issues, transmission solenoid issues, PCM failure (less common).
Recommendations:
Regularly inspect and replace serpentine belts, check for coolant leaks, maintain proper tire pressure and alignment, service the cooling system at recommended intervals to mitigate head cracking in the 4.7L.
Brand Origin:
Jeep, a division of Chrysler (now Stellantis), has a storied history rooted in World War II military vehicles, renowned for off-road prowess.
Previous Generation:
Jeep Grand Cherokee (ZJ)
Next Generation:
Jeep Grand Cherokee (WK)
Model Years:
1999-2004 (WJ Generation)
Manufacturing Plant:
Jefferson North Assembly Plant, Detroit, Michigan, USA
