🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2002 Codes Chassis Code: TJ 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Target Audience: Off-road enthusiasts, DIY mechanics, professional repair shops. Competitive Analysis Competitors 2002: Toyota Tacoma, Nissan Xterra, Suzuki Vitara, Land Rover Defender (though more premium). Key Features Vehicle Philosophy: Ruggedness, off-road capability, open-air experience, utilitarian design. Manual Value Proposition: Provides dealership-level technical information for DIY repair and maintenance, saving significant costs. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for all major vehicle systems. Page Count Estimated Pages: Approximately 2000-3000 pages (typical for dealer-level service manuals). Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L I6, 2.4L I4), transmission (42RLE Automatic, NV3550 Manual), transfer case (NV241GHD), axles (Dana 30 Front, Dana 35/44 Rear). Chassis: Suspension (Solid Axle, Coil Springs), steering, brakes (ABS available), exhaust. Electrical: Body control module (BCM), engine control module (ECM), ignition system, lighting, power accessories, instrument cluster, diagnostic trouble codes (DTCs). Body: Body panels, doors, interior trim, seats, HVAC system, convertible top mechanisms. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement. Repair: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, steering system repair, electrical component diagnosis and replacement, body panel repair. Diagnostics: System-specific troubleshooting guides, diagnostic trouble code (DTC) interpretation and resolution, electrical circuit tracing, component testing. Special Tools: Identification and usage of specialized tools required for specific repair procedures. Technical Depth Depth: Detailed diagnostic procedures, component-level repair, full system overhauls, torque specifications, wiring diagrams, exploded views, and component identification. 📊 Manual Specifications File Format Quality: High-resolution PDF with searchable text and clear, legible diagrams. Print Quality Scalability: Pages can be printed at original size for detailed work. Binding Type Format Type: Digital (PDF) Paper Type Digital Storage: Accessible on computers, tablets, and smartphones. ⚙️ Engine Specifications Primary Engine Engine Code 1: ERH Engine Description 1: 4.0L (3952cc) Overhead Valve (OHV) Inline 6-Cylinder (I6) Bore X Stroke 1: 3.875 in x 3.563 in (98.4 mm x 90.5 mm) Compression Ratio 1: 8.8:1 Horsepower 1: 190 hp @ 4600 rpm Torque 1: 235 lb-ft @ 3200 rpm Optional Engine Engine Code 2: ENP Engine Description 2: 2.4L (2429cc) DOHC Inline 4-Cylinder (I4) Horsepower 2: 147 hp @ 5200 rpm Torque 2: 170 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Engine Management ECM Type: 1999-2002 Jeep Wrangler PCM (Powertrain Control Module). 🔧 Transmission Standard Transmission Type: NV3550 5-Speed Manual Transmission Optional Transmission Type: 42RLE 4-Speed Automatic Transmission Clutch Clutch Type: Hydraulically Actuated Single Dry Plate (Manual Transmission) Transfer Case Type: NV241GHD (Command-Trac) 2-Speed Part-Time Rock-Trac Transfer Case Fluid Specification Manual Fluid Type: ATF+4 (MS-9602) Fluid Capacity Manual Capacity: Approx. 2.5 Quarts (2.4 Liters) Fluid Specification Automatic Fluid Type: ATF+4 (MS-9602) Fluid Capacity Automatic Capacity: Approx. 8.0 Quarts (7.6 Liters) Transfer Case Fluid Fluid Type: Mopar NV241 HD Transfer Case Fluid (or equivalent Mopar specification) Transfer Case Fluid Capacity Capacity: Approx. 2.0 Quarts (1.9 Liters) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Overall Length: 151.3 inches (3843 mm) Overall Width: 66.5 inches (1689 mm) Overall Height: 71.0 inches (1803 mm) Ground Clearance: Approx. 8.5 - 10.3 inches (216 - 262 mm) depending on tire size. Weights Curb Weight: Approx. 3300 - 3500 lbs (1497 - 1588 kg) depending on configuration. Cargo Cargo Volume Behind Front Seats: Approx. 45.4 cu ft (1286 L) Cargo Volume Behind Rear Seats: Approx. 13.4 cu ft (380 L) 🛡️ Safety Features Ratings NHTSA Front Driver Side Impact: 4 stars (for 2002 model year) NHTSA Front Passenger Side Impact: 4 stars (for 2002 model year) Active Features ABS: Optional Anti-lock Braking System (ABS) on rear wheels only for earlier TJ models; four-wheel ABS became more common later. The manual will detail the specific system. Passive Features Airbags: Driver and Passenger Frontal Airbags. Seatbelts: Three-point front seat belts, lap belts for rear passengers. 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional Infinity speaker system. Aftermarket options common. Driver Assistance Cruise Control: Available factory cruise control. Connectivity Wiring Harnesses: Detailed wiring diagrams in the manual are crucial for diagnosing and repairing any electrical issues, including aftermarket accessory installations. 🔧 Maintenance Service Intervals Engine Oil Interval: Every 3,000-5,000 miles (4,800-8,000 km) or 6 months, depending on driving conditions (severe vs. normal). Refer to manual for specific guidance. Oil Specification 4 0L: SAE 10W-30 API Service SJ or higher (per owner's manual for 2002). Manual will provide precise spec. Oil Capacity 4 0L: 6.0 Quarts (5.7 Liters) with filter change. Service Intervals Transmission Fluid Interval Automatic: Inspect every 15,000 miles (24,000 km), change as needed based on driving conditions and fluid...