🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2002 Chassis Code: TJ Product Type: Service Repair Manual Download 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Reputation: Iconic off-road capability, rugged design, open-air experience Competitive Analysis Competitors 2002: Toyota Tacoma (SUV variant), Ford Bronco (earlier models), Suzuki Samurai (earlier models) Key Features Design: Body-on-frame construction, solid axles (front and rear), removable doors and top Off Road Systems: Command-Trac NV242 transfer case (part-time 2WD, 4WD Full-time, 4WD Part-time, 4LO), optional Trac-Lok limited-slip differential 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Procedures Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Overhaul Page Count Estimated Pages: Over 1500 Pages (typical for WSM) Manual Type Type: Workshop Service Manual (WSM) Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Management: Fuel Injection, Ignition, Emission Controls, Diagnostics Powertrain: Engine Mechanical, Transmission (Automatic & Manual), Transfer Case, Drivetrain Chassis: Suspension (Front & Rear), Steering, Brakes (ABS & Non-ABS), Wheels & Tires Electrical: Battery, Charging System, Starting System, Lighting, Instruments, Body Control Modules, Powertrain Control Module (PCM) Body: Body Panels, Doors, Seats, Interior Trim, Glass, HVAC System Diagnostics: Diagnostic Trouble Codes (DTCs), On-Board Diagnostics (OBD-II), Wiring Diagrams Procedures Included Routine Maintenance: Oil Change, Filter Replacements, Fluid Checks, Tune-Ups Major Repairs: Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Service Troubleshooting: Systematic Diagnostic Flowcharts for Common and Uncommon Issues Special Tools: Identification and Usage of Manufacturer-Specific Tools Specifications: Torque Specifications, Clearances, Alignment Data, Electrical Resistances Technical Depth Depth: Comprehensive (from basic adjustments to complete component rebuilds) Diagnostic Level: Advanced Diagnostics and Troubleshooting with Detailed Schematics 📊 Manual Specifications File Format Digital Format: Searchable PDF, Printable Pages Print Quality Quality: Professional Quality, High Resolution Binding Type Physical Format If Applicable: N/A (Digital Download) Paper Type Physical Format If Applicable: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 4.0L OHV V6 (High Output) Engine Displacement: 3956 cc (241 cubic inches) Engine Configuration: 90-degree V6, Overhead Valve (OHV), 2 valves per cylinder Bore X Stroke: 98.4 mm x 86.7 mm (3.87 in x 3.41 in) Compression Ratio: 8.8:1 Performance Horsepower Peak: 190 hp (142 kW) @ 4600 rpm Torque Peak: 235 lb-ft (319 Nm) @ 3200 rpm Fuel System Induction Type: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline, 87 octane (minimum) Engine Management Engine Control Unit: Chrysler/Jeep NGC (Next Generation Controller) family 🔧 Transmission Standard Type Manual: NV3550 5-speed Manual Transmission Optional Type Automatic: 42RLE 4-speed Automatic Transmission Features Transfer Case: NV242 'Selec-Trac' (standard) - 2WD, 4WD Full-Time, 4WD Part-Time, Neutral, 4LO Fluid Specification Manual Transmission Fluid Type: Mopar Manual Transmission Lubricant (or equivalent API GL-3/GL-4) Fluid Specification Automatic Transmission Fluid Type: Mopar ATF+4 (MS-9602) Transfer Case Fluid Transfer Case Fluid Type: Mopar NV242 Transfer Case Lubricant (or equivalent MS-9224) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 150.8 inches (3830 mm) Width: 66.7 inches (1694 mm) Height: 71.5 inches (1816 mm) (with soft top) Ground Clearance: Approx. 8.5 inches (216 mm) Approach Angle: 43 degrees Departure Angle: 35 degrees Breakover Angle: 25 degrees Weights Curb Weight Manual: Approx. 3,300 - 3,600 lbs (1497 - 1633 kg) Curb Weight Automatic: Approx. 3,400 - 3,700 lbs (1542 - 1678 kg) Gross Vehicle Weight Rating Gvwr: Approx. 4,800 - 5,000 lbs (2177 - 2268 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating 2002: 3-star (driver side, potential for rollover due to high center of gravity) Active Features ABS: Optional Anti-lock Braking System (ABS) on rear wheels Passive Features Airbags: Driver and Passenger Front Airbags Seatbelts: Three-point front seat belts with pretensioners, lap belts in rear Construction Frame: Heavy-duty, reinforced steel frame 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD Player with optional Premium Infinity Sound System Display: Basic digital odometer, analog gauges Driver Assistance Cruise Control: Optional Connectivity Auxiliary Input: Not standard 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles (8,000 km) or 6 months, whichever comes first Engine Oil Filter Replacement: With every oil change Air Filter Replacement: Every 15,000 miles (24,000 km) or 12 months Spark Plug Replacement: Every 30,000 miles (48,000 km) Transmission Fluid Change Manual: Every 60,000 miles (96,000 km) or 48 months Transmission Fluid Change Automatic: Every 45,000 miles (72,000 km) or 36 months Fluid Specifications Engine Oil Specification: SAE 10W-30 API Service SN (or equivalent) Engine Oil Capacity: 5.0 US quarts (4.7 liters) with filter change Coolant Specification: Mopar Antifreeze/Coolant 5-Year/100,000 Mile Formula (or equivalent HOAT) Coolant Capacity: Approx. 10.5 US quarts (9.9 liters) Brake Fluid Specification: DOT 3 Known Issues Common Issues: Leaks (oil pan, valve covers, axle seals), transmission synchro wear (manual), cooling system leaks (radiator, hoses), steering box play, exhaust manifold cracks (less common on 4.0L OHV), interior water intrusion (soft top seals). 📚 Vehicle History Brand Heritage Jeep Legacy: Roots tracing back to WWII Willys MB...