🏷️ Basic Information Identification Make: Jeep Model: Wrangler TJ Year: 2002 Product Name: 2002 Jeep WRANGLER TJ Service & Repair Manual - PDF Codes Vin Decoder Prefix: 1J4 Generation Tj Generation Start Year: 1997 Tj Generation End Year: 2006 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-road Vehicle Jeep Brand Focus: Iconic off-road capability and ruggedness Competitive Analysis Key Competitors 2002: Toyota Tacoma, Nissan Xterra, Ford Explorer (though often considered more refined) Key Features Defining Characteristics: Solid front axle, removable doors and top, high ground clearance, robust 4x4 system Manual Value Proposition: Enables owners and technicians to perform all maintenance, diagnostics, and repairs efficiently and accurately. 📋 Manual Details Coverage Areas Engines Covered: All 2002 Wrangler TJ engine variants Models Covered: All 2002 Wrangler TJ trim levels and configurations Page Count Estimated Page Count: 1500+ Manual Type Manual Classification: Comprehensive Service and Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed diagnostics, repair procedures, overhaul for all applicable engines Engine Management: Ignition system, fuel injection system, emission controls, sensors, actuators, ECU diagnostics Transmission: Manual and automatic transmission repair, clutch, driveline, transfer case servicing Suspension: Front and rear suspension systems, coil springs, shock absorbers, steering linkage Brakes: Hydraulic system, ABS (if equipped), brake pad/shoe replacement, rotor machining, caliper servicing Electrical: Wiring diagrams, fuse and relay identification, starter, alternator, battery, lighting systems, power windows, locks Body And Frame: Body panel repair, interior trim removal, doors, hood, tailgate, chassis diagnostics HVAC: Heating, ventilation, and air conditioning system repair, refrigerant handling, component replacement Chassis: Frame inspection and repair, exhaust system, fuel tank and lines Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, tire rotation, brake inspection Diagnostic Troubleshooting: Systematic diagnostic procedures for common and uncommon issues, fault code interpretation Component Replacement: Step-by-step instructions for replacing major and minor components Rebuilding Procedures: Detailed overhaul procedures for engines and transmissions Specifications And Torques: All necessary torque specifications, clearances, and measurements for repairs Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Diagnostic Capability: Advanced diagnostic techniques, including interpreting sensor data and trouble codes Special Tools: Identification of required special tools and their usage 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable content for easy information retrieval Printability: Printable pages for workshop use Print Quality Image Resolution: High-resolution diagrams and illustrations Binding Type Binding Method: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code 2002: 42RLE (4-speed Automatic), NV3550 (5-speed Manual) Engine Type: Inline 6-cylinder, Overhead Valve (OHV) Displacement 2002: 4.0 Liters (242 CID) Performance Horsepower 4.0L: 190 HP @ 4600 RPM Torque 4.0L: 235 lb-ft @ 3200 RPM Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Fuel Type: Unleaded gasoline (87 octane recommended) 🔧 Transmission Standard Standard Transmission Type: 5-Speed Manual Transmission (NV3550) Optional Optional Transmission Type: 4-Speed Automatic Transmission (42RLE) Features Transfer Case: Selec-Trac NV241OR / Command-Trac NV231 (specific to trim) Clutch Type: Hydraulically actuated diaphragm spring clutch (manual) Fluid Type Manual Manual Transmission Fluid: AXS4500 (or equivalent spec: SAE 75W-90 GL-3) Fluid Type Auto Automatic Transmission Fluid: ATF+4 (Mopar) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Overall Length: 150.5 inches (3823 mm) Overall Width: 66.5 inches (1689 mm) Overall Height: 71.5 inches (1816 mm) Ground Clearance: 10.2 inches (259 mm) Weights Curb Weight Manual: Approx. 3250 lbs (1474 kg) Curb Weight Automatic: Approx. 3350 lbs (1519 kg) Gross Vehicle Weight Rating: Approx. 4500 lbs (2041 kg) Cargo Cargo Volume Behind Front Seats: Approx. 40.0 cu ft (1.13 m³) Cargo Volume Behind Rear Seats: Approx. 15.0 cu ft (0.42 m³) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3 Star (based on older testing protocols) Active Features ABS: Optional on 2002 models (typically 4-wheel disc with rear drum) Four Wheel Drive: Standard full-time 4WD or part-time 4WD system (depending on transfer case option) Passive Features Airbags: Driver and front passenger airbags Seatbelts: Three-point front seat belts, lap belts for rear passengers 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional Infinity sound system. Connectivity Options: Basic analog systems, no integrated Bluetooth or USB in stock form. Driver Assistance Traction Control: Limited, primarily mechanical (e.g., limited-slip differential on some models) or ABS-based for early systems. Cruise Control: Optional 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 miles (or 6 months) depending on driving conditions (refer to manual for exact) Transmission Fluid Change Auto: Every 30,000 - 60,000 miles (refer to manual) Transmission Fluid Change Manual: Every 50,000 - 100,000 miles (refer to manual) Coolant Flush: Every 30,000 miles or 3 years (refer to manual) Fluid Specifications Engine Oil Type: API SG or SH, SAE 10W-30 or 10W-40 Engine Oil Capacity: 6 Quarts (5.7 Liters) with filter Coolant Type: Mopar OAT (Orange) or equivalent HOAT...