🏷️ Basic Information Identification Make: Jeep Model: Wrangler Generation: TJ Model Year: 2002 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-road Vehicle Target Audience: Enthusiasts, off-roaders, DIY mechanics, fleet owners. Competitive Analysis Key Competitors: Toyota 4Runner, Ford Bronco (previous generations), Suzuki Samurai (previous generations), Land Rover Defender (previous generations). Key Features Design Philosophy: Body-on-frame construction, solid front and rear axles (standard on most TJ models), removable doors and top, legendary off-road capability. Manual Value Proposition: Provides comprehensive, dealership-level repair information for owners who want to maintain and repair their TJ themselves, saving significant costs. 📋 Manual Details Coverage Areas Engine Coverage: All gasoline engines for 2002 model year. Transmission Coverage: All manual and automatic transmissions offered for 2002. Chassis Coverage: Frame, suspension, steering, brakes, wheels, and tires. Electrical Coverage: Wiring diagrams, lighting, ignition, starting, charging, accessories, and body electronics. Body Coverage: Exterior and interior body panels, doors, seats, convertible top systems, and climate control. Diagnostics Coverage: Troubleshooting guides and diagnostic procedures for all major systems. Page Count Estimated Page Count: 1500-2000 pages (typical for comprehensive service manuals of this era). Manual Type Manual Classification: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (likely PDF) File Format Detail: Searchable PDF, allowing for quick keyword-based navigation. 📖 Manual Coverage Systems Covered Powertrain Systems: Engine mechanical, engine cooling, engine fuel, engine ignition, engine lubrication, emissions control, starting and charging systems. Drivetrain Systems: Clutch, manual transmission, automatic transmission, transfer case, drive shafts, axles, differentials. Suspension Steering Brakes: Front and rear suspension, steering system, hydraulic brake system, parking brake system. Electrical Electronic Systems: Instrument cluster, lighting systems, horn, wipers/washers, power windows/locks, audio system, security system, engine control module (ECM), body control module (BCM). Body Chassis Systems: Frame, body mounting, doors, hood, tailgate, bumpers, seats, interior trim, convertible top, climate control system. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and changes, tire rotation, spark plug replacement, belt inspection and replacement. Diagnostic Procedures: Troubleshooting charts for common symptoms, electrical system diagnostics using wiring diagrams, OBD-II diagnostics. Repair And Overhaul: Engine disassembly and assembly, transmission overhaul, brake system component replacement, suspension and steering component replacement, electrical component repair. Component Replacement: Detailed instructions for replacing virtually all serviceable components. Specifications And Tolerances: Torque specifications, clearances, fluid capacities, wear limits for all major components. Technical Depth Diagnostic Complexity: Advanced diagnostics with detailed wiring diagrams and fault code interpretation. Rebuild Procedures: Comprehensive step-by-step instructions for complete engine and transmission rebuilds. Special Tools: Identification and usage instructions for specialized tools required for specific repairs. Troubleshooting Methodology: Structured approach to diagnosing issues, starting with basic checks and progressing to complex electrical tracing. 📊 Manual Specifications Print Quality Image Resolution: High-resolution, suitable for clear viewing of diagrams and illustrations. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code 2002 4 0L: ERH (4.0L Inline 6-cylinder) Engine Displacement 4 0L: 3952 cc (241 cu in) Engine Configuration 4 0L: Inline 6-cylinder, Overhead Valve (OHV) Horsepower 4 0L: 190 hp @ 4600 rpm (approximate) Torque 4 0L: 235 lb-ft @ 3200 rpm (approximate) Optional Engine Engine Code 2002 2 5L: ENJ (2.5L Inline 4-cylinder) Engine Displacement 2 5L: 2464 cc (150 cu in) Engine Configuration 2 5L: Inline 4-cylinder, Overhead Valve (OHV) Horsepower 2 5L: 117 hp @ 4800 rpm (approximate) Torque 2 5L: 145 lb-ft @ 3200 rpm (approximate) Fuel System Fuel Delivery: Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Ignition System: Distributorless Ignition System (DIS) with Coil-on-Plug (COP) for 4.0L, Conventional Distributor for 2.5L. 🔧 Transmission Standard Standard Transmission Type: 5-Speed Manual Transmission (NV3550 for 4.0L, AX-15 for 2.5L in earlier TJs, but NV3550 likely for 2002 2.5L as well) Optional Optional Transmission Type: 4-Speed Automatic Transmission (42RLE) Features Transfer Case: Command-Trac NV231 (standard), optional: Selec-Trac NV242 (with full-time 4WD option). Transfer Case Gear Ratios: NV231: 2.72:1 low range. NV242: 2.72:1 low range. Fluid Specifications Manual Transmission Fluid: NV3550: Mopar Manual Transmission Lubricant (MS-9070) or equivalent SAE 75W-90 synthetic. AX-15: ATF+4 (MS-9602) or equivalent SAE 75W-90 synthetic. Automatic Transmission Fluid: ATF+4 (MS-9602) Transfer Case Fluid: NV231/NV242: NP-136/149 Transfer Case Fluid (MS-9602) or equivalent Automatic Transmission Fluid (ATF+4). 📐 Dimensions Exterior Wheelbase 2 Door: 93.4 inches (2372 mm) Overall Length 2 Door: 151.3 inches (3843 mm) Overall Width 2 Door: 66.5 inches (1689 mm) Overall Height 2 Door: 71.0 inches (1803 mm) (soft top) Weights Curb Weight Approx: 3,300 - 3,700 lbs (1497 - 1678 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star rating (typical for SUVs of this era) Active Features Braking System: Front disc brakes, rear drum brakes (standard). Optional ABS on rear wheels for some configurations. Passive Features Airbags: Driver and passenger front airbags. 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player (optional premium audio system...