🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Year: 2002 Codes Platform Code: WJ 👋 Introduction Market Position Target Audience: DIY mechanics, independent repair shops, Jeep enthusiasts Competitive Analysis Value Proposition: Provides same level of detail as official dealer manuals at a fraction of the cost, empowering owners for self-service. Key Features Completeness: Complete coverage of all workshop procedures for the 2002 Jeep Grand Cherokee WJ. Ease Of Use: Step-by-step instructions and clear diagrams designed for ease of understanding by various skill levels. 📋 Manual Details Coverage Areas Regions Covered: Global (based on standard Jeep specifications for the model year) Page Count Estimated Page Count: Extensive (typical for comprehensive service manuals, often 2000+ pages when printed) Manual Type Type: Service/Workshop Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, rebuild, timing, lubrication, cooling Engine Management: Fuel injection, ignition system, emission control, sensors, actuators Transmission: Manual and automatic transmission overhaul, diagnostics, fluid services Drivetrain: Transfer case, differentials, axles, driveshafts, U-joints Suspension: Front and rear suspension components, alignment, springs, shocks, bushings Steering: Steering gear, power steering system, linkages, alignment Braking System: Hydraulic system, ABS, brake calipers, rotors, pads, parking brake Electrical System: Wiring diagrams, charging system, starting system, lighting, accessories, body electricals HVAC: Air conditioning system, heating, ventilation, climate control Bodywork: Body panels, doors, windows, interior trim, bumpers, paint and rust prevention Wheels And Tires: Tire specifications, wheel torque, rotation, balancing Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis Repair Procedures: Component replacement, rebuilding procedures (engine, transmission), adjustments Installation: Installation procedures for common accessories and replacement parts Torque Settings: Specific torque values for all critical fasteners Fluid Capacities: Detailed capacities for all vehicle fluids (engine oil, coolant, transmission fluid, brake fluid, etc.) Technical Depth Depth Of Coverage: Comprehensive (from basic maintenance to full engine and transmission rebuilds) Diagrams Illustrations: Detailed step-by-step diagrams, exploded views, wiring schematics Spare Parts Illustrations: Includes illustrations of spare parts and their assembly 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Printable (allows users to print specific pages or the entire manual) Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Options 2002: 4.0L Inline 6-Cylinder (PowerTech), 4.7L V8 (PowerTech) Performance 4.0L Hp: Approximately 190 hp 4.0L Torque: Approximately 235 lb-ft 4.7L Hp: Approximately 235 hp 4.7L Torque: Approximately 295 lb-ft Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Recommended Fuel: Unleaded gasoline (87 octane or higher recommended) 🔧 Transmission Standard Standard Transmission: 4-speed automatic (42RE for 4.0L, 45RFE/545RFE for 4.7L) Optional Optional Transmission: None specified for 2002 model year (manual transmissions were phased out in prior generations) Features Transfer Case: Selec-Trac (full-time 4WD), Quadra-Drive II (optional, with electronic limited-slip differentials) 📐 Dimensions Exterior Wheelbase: 116.1 inches (2950 mm) Length: 184.6 inches (4690 mm) Width: 73.7 inches (1872 mm) Height: 66.6 inches (1692 mm) Weights Curb Weight Approx: 4,300 - 4,700 lbs (depending on engine and equipment) 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 Stars (for 2002 model year) NHTSA Frontal Impact Passenger: 4 Stars (for 2002 model year) IIHS Front Offset Crash Rating: Good (for 2002 model year) Active Features ABS: Standard (Anti-lock Braking System) Traction Control: Optional (likely part of Selec-Trac or Quadra-Drive II systems) Passive Features Airbags: Standard front airbags for driver and passenger; optional side airbags 💡 Technology Features Infotainment Audio System Options: AM/FM stereo with CD player, optional Infinity Gold premium audio system, optional navigation system. Driver Assistance Cruise Control: Standard Connectivity Power Accessories: Power windows, power locks, power mirrors 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles or 6 months, whichever comes first (using recommended oil type). Air Filter Replacement: Every 15,000 - 30,000 miles or as needed based on driving conditions. Spark Plug Replacement: 4.0L: Approx. 100,000 miles; 4.7L: Approx. 60,000-100,000 miles (depending on plug type). Fluid Specifications Engine Oil Type 4.0L: API SJ or higher, SAE 10W-30 (check manual for specific viscosity based on temperature) Engine Oil Type 4.7L: API SJ or higher, SAE 5W-30 (check manual for specific viscosity based on temperature) Automatic Transmission Fluid: ATF+4 (Mopar) Coolant Type: Chrysler HOAT (Hybrid Organic Acid Technology) coolant (Orange) Known Issues Common Issues 4.0L: Cracked cylinder heads (pre-2000 models, less common in WJ), exhaust manifold leaks, death wobble (steering stabilizer/bushings). Common Issues 4.7L: Head gasket failures, intake manifold gasket leaks, oil sludge buildup if maintenance is neglected. Common Issues Transmission: Torque converter shudder, solenoid pack failure in automatic transmissions. Common Issues Electrical: Window regulator failures, HVAC blower motor issues, instrument cluster problems. 📚 Vehicle History Brand Heritage Brand Identity: Jeep is renowned for its off-road capability and ruggedness, a heritage dating back to WWII. Model Evolution Wj Generation Timeline:...