🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2002 Generation Internal Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Target Audience: Off-road enthusiasts, families, towing needs Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer/TrailBlazer, Toyota 4Runner, Land Rover Discovery Key Features Platform Highlight: WJ platform known for improved on-road manners and refinement over its predecessor (ZJ) Powertrain Options: Robust inline-six and powerful V8 engine choices 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global markets with WJ Grand Cherokee variants Page Count Estimated Pages: 2000+ Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L I6, 4.7L V8), Transmission (42RE, 45RFE, NV247 transfer case), Drivetrain (NV247, rear differential, front differential) Chassis: Suspension (front/rear solid axles, Quadra-Coil), Steering, Brakes (ABS, rear disc) Electrical: Wiring diagrams, ECU/PCM, lighting, power accessories, HVAC controls, audio system Body: Interior/exterior trim, doors, windows, seats, bumpers, body panels, glass Diagnostics: OBD-II diagnostics, DTC (Diagnostic Trouble Codes) interpretation, diagnostic procedures Procedures Included Maintenance: Oil changes, fluid checks/replacements, filter replacements, tune-ups, lubrication Repair: Engine assembly/disassembly, transmission overhaul, brake system repair, suspension component replacement, electrical system troubleshooting Diagnostics: Troubleshooting guides, component testing, electrical schematic interpretation Replacement: Component replacement procedures for all major systems Technical Depth Depth: Comprehensive (from basic maintenance to full rebuilds and advanced diagnostics) 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text Print Quality Resolution: High-resolution, suitable for printing Binding Type Binding: N/A (Digital download) Paper Type Paper: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L I6 (PowerTech) Engine 1 Hp: 190 hp @ 4600 rpm Engine 1 Torque: 235 lb-ft @ 3200 rpm Secondary Engine Engine 2: 4.7L V8 (PowerTech) Engine 2 Hp: 235 hp @ 4750 rpm (later models 2002-2004 increased to 260 hp) Engine 2 Torque: 295 lb-ft @ 3200 rpm (later models 2002-2004 increased to 325 lb-ft) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Recommended Fuel: 87 Octane (regular unleaded) 🔧 Transmission Standard Transmission Type Std: 42RE (4-speed automatic) with 4.0L I6 Optional Transmission Type Opt: 45RFE (4-speed automatic) with 4.7L V8 Features Transfer Case: NV247 (Selec-Trac Full-Time 4WD) Transfer Case Note: Known for automatic engagement and a 4WD Low range option. 📐 Dimensions Exterior Wheelbase: 116 inches Length: 184.8 inches Width: 73.0 inches Height: 67.8 inches Weights Curb Weight Min: 4410 lbs (4.0L) Curb Weight Max: 4550 lbs (4.7L) Towing Capacity: Up to 6,500 lbs (with optional tow package) 🛡️ Safety Features Ratings NHTSA Frontal Driver: Good NHTSA Frontal Passenger: Good NHTSA Side Impact Driver: Acceptable NHTSA Side Impact Rear Passenger: Acceptable IIHS Side Impact: Acceptable Active Features ABS: Standard (4-wheel disc brakes with ABS) Passive Features Airbags: Driver and front passenger airbags Rollover Protection: Off-Road SKI Plate package available (protects underbody) 💡 Technology Features Infotainment Audio System: Available premium audio systems, CD player, cassette player Navigation: Optional factory navigation system available on higher trims. Driver Assistance Traction Control: Available Electronic Stability Control: Not available on 2002 model year. Connectivity Telematics: Optional Uconnect/SiriusXM satellite radio became available in later years of the WJ generation, but not standard for 2002. 🔧 Maintenance Service Intervals Oil Change Interval Gas: Every 5,000-7,500 miles or 6 months, whichever comes first (synthetic recommended) Transmission Fluid Interval: Every 30,000-50,000 miles (check manual for specific conditions) Coolant Interval: Initial change at 100,000 miles, then every 50,000 miles thereafter (Chrysler HOAT coolant) Fluid Specifications Engine Oil Spec: API SN/SM/SL, SAE 5W-30 (for both 4.0L and 4.7L) Transmission Fluid Spec: ATF+4 (for 42RE and 45RFE) Coolant Spec: Mopar HOAT (Hybrid Organic Additive Technology) Antifreeze/Coolant Brake Fluid Spec: DOT 3 Known Issues Common Issue 1: Water pump leaks (especially on 4.7L V8) Common Issue 2: Death wobble (often related to steering/suspension component wear, especially track bar) Common Issue 3: Cracked cylinder heads on early 4.7L V8 engines Common Issue 4: Transmission issues (e.g., solenoid pack failure, torque converter problems) Common Issue 5: Front differential issues (e.g., carrier bearing failure) 📚 Vehicle History Brand Heritage Jeep Legacy: Jeep's long history of off-road capability and durable SUVs. Model Evolution Wj Introduction: Introduced in 1998 for the 1999 model year, replacing the ZJ Grand Cherokee. Wj Facelift: Significant refresh for the 2002 model year, including updated exterior styling, revised interior, and powertrain enhancements (e.g., increased V8 power). Production Production Period: 1999-2004 Manufacturing Locations: Jefferson North Assembly Plant, Detroit, Michigan, USA 🏆 Awards & Recognition Recognitions Off Road Rating 1: Often lauded for its off-road capability, especially with the Quadra-Drive system (which utilized electronic limited-slip differentials). Off Road Rating 2: Rated highly for towing capacity in its class.