🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Model Years Covered: 2001, 2002, 2003, 2004 Codes Chassis Code: WJ 👋 Introduction Market Position Segment: Mid-size Luxury SUV Brand Perception: Rugged capability with increasing on-road refinement and luxury features. Competitive Analysis Key Competitors: Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Land Rover Discovery, Lexus RX series. Key Features Distinctive Features: Quadra-Drive II 4WD system (optional), comfortable and spacious interior, strong towing capacity, available premium audio and navigation systems. Target Audience: Families and individuals seeking a capable SUV for daily driving, occasional off-roading, and towing. 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global markets (where applicable with specific regional variations noted) Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine electrical, fuel system, exhaust system, cooling system, lubrication system, transmission (automatic & manual), transfer case, driveline components Chassis: Suspension (front & rear), steering system, brake system (hydraulic & ABS), wheels & tires Electrical: Body electrical system, starting & charging system, lighting, instrumentation, power accessories (windows, locks, seats), HVAC electrical, diagnostic connectors (OBD-II) Body: Body construction, exterior trim, interior trim, doors, hood, tailgate, glass, seals, paint & surface treatment Procedures Included Maintenance: Scheduled maintenance, fluid checks & changes, filter replacements, lubrication, inspection points Diagnostics: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble code (DTC) interpretation and procedures Repair: Component removal & installation, disassembly & reassembly, torque specifications, alignment procedures, wiring diagrams Specifications: Component specifications, tolerances, capacities, electrical specifications, diagnostic data Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including complex electrical diagnostics and bodywork repairs. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Quality: High-resolution scans of original factory documentation, suitable for printing. Binding Type Binding: Not applicable (digital download) Paper Type Paper: Not applicable (digital download) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (3956 cc) SOHC 12-valve V6 (2001-2004) Engine 1 Code: PowerTech (Idler pulley design variations exist) Engine 1 Hp: 190 hp @ 4400 rpm Engine 1 Torque: 235 lb-ft @ 3200 rpm Optional Engine Engine 2: 4.7L (4701 cc) SOHC 16-valve V8 (2001-2004) Engine 2 Code: PowerTech V8 (early versions had some valve seat issues) Engine 2 Hp: 235 hp @ 4800 rpm (2001-2002), 235 hp @ 4700 rpm (2003-2004) Engine 2 Torque: 300 lb-ft @ 3200 rpm (2001-2002), 325 lb-ft @ 3200 rpm (2003-2004) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline (87 octane recommended, higher for improved performance) Performance Compression Ratio V6: 9.3:1 Compression Ratio V8: 9.6:1 🔧 Transmission Standard Transmission Std V6: 42RE 4-Speed Automatic (Rear-wheel drive) Transmission Std V8: 44RE 4-Speed Automatic (Rear-wheel drive) Optional Transmission Opt 4Wd V6: 42RE 4-Speed Automatic with Command-Trac NV231/NV242 Transfer Case Transmission Opt 4Wd V8: 44RE 4-Speed Automatic with NV247 (Selec-Trac) or NV247 (Quadra-Drive II) Transfer Case Features Transmission Fluid Type: ATF+4 (MS-9602) Transfer Case Fluid Type: NV231/NV242: ATF+4; NV247: Mopar Automatic Transmission Fluid - P5156889AA or equivalent. Torque Converter Lockup: Variable torque converter lockup clutch for improved fuel economy. 📐 Dimensions Exterior Length: 187.8 inches (4768 mm) Width: 74.7 inches (1897 mm) Height: 67.4 inches (1712 mm) Wheelbase: 116.0 inches (2946 mm) Interior Seating Capacity: 5 passengers Cargo Cargo Volume Behind Rear Seat: 33.3 cu ft (943 liters) Cargo Volume With Rear Seat Folded: 78.5 cu ft (2223 liters) Weights Curb Weight V6: Approx. 4300 lbs (1950 kg) Curb Weight V8: Approx. 4450 lbs (2018 kg) Towing Capacity: Up to 5,000 lbs (2268 kg) with optional towing package. 🛡️ Safety Features Ratings NHTSA Rollover Resistance Score: 3 out of 5 stars (calculated) Active Features ABS: Standard Anti-lock Braking System (ABS) on all wheels. Traction Control: Optional All-Speed Traction Control (ASTC). Stability Control: Not available on this generation. Passive Features Airbags Front: Standard dual front airbags. Airbags Side: Optional front seat-mounted side airbags. Seatbelts: Three-point seatbelts with pretensioners for front occupants. 💡 Technology Features Infotainment Available Features: Premium Infinity Gold audio system with subwoofer, CD player, optional cassette player, optional navigation system (largely outdated by modern standards but functional). Climate Control: Manual or optional automatic climate control (dual-zone). Driver Assistance Cruise Control: Standard cruise control. Parking Assist: Not available. Connectivity Auxiliary Input: Not available on factory systems; aftermarket solutions may exist. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first (depending on driving conditions). Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on inspection. Spark Plug Replacement V6: Approx. 100,000 miles (160,000 km) with recommended spark plugs (e.g., Champion copper or platinum). Spark Plug Replacement V8: Approx. 100,000 miles (160,000 km) with recommended spark plugs (e.g., Champion platinum)....