🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 2002 Chassis Code: WJ Codes Product Code: JGC02WJSM Oem Manual Identifier: Official Factory Service Manual 👋 Introduction Market Position Segment: Mid-size Luxury SUV Target Audience: Jeep Grand Cherokee owners, independent repair shops, automotive technicians Competitive Analysis Competitors 2002: Ford Explorer, Toyota 4Runner, Chevrolet TrailBlazer, Nissan Pathfinder, Land Rover Discovery Key Features Vehicle Premium Features: Quadra-Drive II 4WD system, luxurious interior appointments, strong towing capability Key Features Manual Value Proposition: Official factory data ensures accuracy for all repair and maintenance tasks, saving time and money. 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global (relevant for WJ platform) Page Count Estimated Pages: 1800+ Manual Type Type: Factory Service Repair Manual Scope: Comprehensive Repair and Diagnostics Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L, 4.7L), Transmission (42RE, NV3500, 45RFE), Transfer Case (NV231, NV242) Chassis: Suspension (Front/Rear), Steering, Brakes (ABS/Non-ABS), Driveline (Axles, Driveshafts) Electrical: Body Control Module (BCM), Powertrain Control Module (PCM), Lighting, HVAC Control, Audio Systems, Security Systems, Instrument Cluster Body: Interior Trim, Exterior Panels, Doors, Glass, Seats, Roof Systems Procedures Included Maintenance: Fluid changes, filter replacements, lubrication, scheduled inspections Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting charts, electrical schematics Repair: Component removal and installation, sub-assembly repair, internal component servicing Diagnostics: Engine performance, transmission operation, electrical system faults, HVAC performance Specifications: Torque values, clearances, fluid capacities, electrical resistance/voltage checks Technical Depth Depth: Complete factory-level repair and diagnostics Rebuild Procedures: Engine, transmission, and axle rebuilds included Special Tools: Identification and usage of specialized tools required for specific repairs 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Text-searchable (OCR processed where applicable) Print Quality Resolution: High resolution for clear diagrams and text Reproducibility: Suitable for printing sections or entire manual Binding Type Binding: N/A (Downloadable PDF) Paper Type Paper Type: N/A (Downloadable PDF) ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 4.0L (242 ci) Engine 1 Type: Inline 6-Cylinder, Overhead Valve (OHV) Engine 1 Block Material: Cast Iron Engine 1 Head Material: Cast Iron Engine 1 Bore X Stroke: 3.875 in x 3.560 in (98.4 mm x 90.4 mm) Engine 1 Compression Ratio: 8.7:1 Engine 1 Horsepower: 190 hp @ 4600 rpm Engine 1 Torque: 235 lb-ft @ 3200 rpm Secondary Engine Engine 2 Displacement: 4.7L (287 ci) V8 Engine 2 Type: V8, Single Overhead Camshaft (SOHC) Engine 2 Block Material: Aluminum Engine 2 Head Material: Aluminum Engine 2 Bore X Stroke: 3.70 in x 3.31 in (94.0 mm x 84.1 mm) Engine 2 Compression Ratio: 9.0:1 Engine 2 Horsepower: 235 hp @ 4500 rpm Engine 2 Torque: 295 lb-ft @ 3500 rpm Fuel System Fuel System Type: Electronic Fuel Injection (EFI) Fuel Requirement: Unleaded Regular (87 Octane) 🔧 Transmission Standard Transmission Transmission 4L Type: 42RE Automatic (4-speed) Transmission 4L Gear Ratios: 2.45:1 (1st), 1.45:1 (2nd), 1.00:1 (3rd), 0.69:1 (4th), 2.00:1 (Reverse) Optional Transmission Transmission V8 Type: 45RFE Automatic (4-speed electronically controlled) Transmission V8 Gear Ratios: 3.00:1 (1st), 1.67:1 (2nd), 1.00:1 (3rd), 0.75:1 (4th), 2.25:1 (Reverse) Transmission Manual Type: NV3500 Manual (5-speed) - Less Common Features Transfer Case 1: NV231 Command-Trac (Part-time 4WD) Transfer Case 2: NV242 Selec-Trac (Full-time 4WD) 4Wd System: Quadra-Trac II (NV247 transfer case with Vari-Lok differentials) on some models 4Wd System Advanced: Quadra-Drive II (with Vari-Lok differentials and electronic sway bar disconnect) on select high-trim models 📐 Dimensions Exterior Wheelbase: 116.0 inches (2946 mm) Length: 189.8 inches (4821 mm) Width: 74.0 inches (1880 mm) Height: 67.5 inches (1714 mm) Weights Curb Weight Min: 4260 lbs (1932 kg) Curb Weight Max: 4700 lbs (2132 kg) Towing Capacity: Up to 6,500 lbs (2948 kg) Gvw Max: 5,900 - 6,300 lbs (2676 - 2858 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 4/5 Stars (2002 Model Year) NHTSA Front Impact Passenger: 4/5 Stars (2002 Model Year) NHTSA Side Impact Front Seat: 3/5 Stars (2002 Model Year) NHTSA Side Impact Rear Seat: 4/5 Stars (2002 Model Year) Active Features ABS: Standard (4-wheel disc brakes with ABS) Traction Control: Optional (Traction Control System - TCS) Stability Control: Not available on this model year Passive Features Airbags Front: Standard (Driver and Passenger Front Airbags) Airbags Side: Optional (Front Seat-Mounted Side Airbags) Seatbelts: 3-point front and rear seatbelts 💡 Technology Features Infotainment Audio System Options: Factory AM/FM/CD player, optional Infinity speaker system, optional CD changer. Navigation: Optional factory GPS navigation system. Driver Assistance Cruise Control: Standard Parking Sensors: Optional rear park assist sensors. Connectivity Telematics: Optional 'Jeep/Chrysler' telematics system (limited functionality by modern standards). 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6 months, whichever comes first. Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km) Spark Plug Replacement 4.0L: Every 30,000 - 60,000 miles (48,000 - 96,000...