🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2002 Generation: TJ Codes Platform Code: TJ 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-Road Vehicle Target Audience: Enthusiasts, off-roaders, DIY mechanics, Jeep owners seeking detailed repair and maintenance information. Competitive Analysis Key Competitors 2002: Toyota Tacoma, Nissan Xterra, Ford Explorer, Chevrolet Tracker Key Features Iconic Design: Distinctive 7-slot grille, round headlights, exposed hinges, removable doors and top, solid axles. Off Road Capability: Renowned for its ruggedness, articulation, and off-road prowess, especially with optional Rubicon trim featuring Dana 44 axles and locking differentials. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English Format: PDF Page Count Estimated Page Count: Approx. 2000+ pages (typical for comprehensive factory service manuals) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Transfer Case, Drivetrain, Differentials Chassis: Suspension, Steering, Brakes, Frame, Body Mounts Electrical: Wiring Diagrams, Lighting, Instruments, Audio, HVAC Controls, Powertrain Control Module (PCM), Body Control Module (BCM) Body: Interior Trim, Exterior Panels, Doors, Hood, Tailgate, Convertible Top Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections and replacement Diagnostics: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) Repairs: Engine rebuilds, transmission overhauls, brake caliper replacement, suspension component replacement, electrical component repair Technical Specifications: Torque specifications, clearances, fluid capacities, electrical component testing parameters Technical Depth Depth Of Information: Comprehensive from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval Printability: Printable pages for on-the-go reference Print Quality Image Resolution: High-resolution images, diagrams, and schematics Binding Type Binding Style: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, SOHC, Cast Iron Block, Aluminum Head Engine Displacement: 3952 cc (4.0L) Engine Code: ERH (4.0L) Performance Horsepower: 190 hp @ 4,600 rpm Torque: 235 lb-ft @ 3,200 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 Octane (Minimum) 🔧 Transmission Standard Transmission Type: 4-speed Automatic Transmission (42RLE) Optional Transmission Type: 5-speed Manual Transmission (NV3550) Features Transfer Case Standard: Command-Trac NV241 G (2-speed part-time) Transfer Case Optional Rubicon: Rock-Trac NV241 OR (2-speed part-time with 4:1 low range ratio) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 150.0 inches (3810 mm) Width: 66.5 inches (1689 mm) Height: 73.5 inches (1867 mm) (with hardtop) Ground Clearance: Approx. 8.5 inches (216 mm) (varies with tire size) Weights Curb Weight: Approx. 3,500 - 4,000 lbs (1588 - 1814 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star (for 2002 model year) Active Features Brakes: Front: Vented Disc; Rear: Disc (standard on most models, rear drums on some base models) ABS: Optional Anti-lock Braking System (ABS) Passive Features Airbags: Driver and Passenger Frontal Airbags Seatbelts: 3-point front seat belts, lap belts in rear 💡 Technology Features Infotainment Audio System: Factory AM/FM radio with CD player or cassette player. Optional premium sound systems available. Driver Assistance Cruise Control: Available on most trim levels. Connectivity Connectivity Options: Limited by era; typically auxiliary inputs for aftermarket audio devices. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles (4,800 km) or 3 months, whichever comes first (severe service), or 6,000 miles (9,600 km) / 6 months (normal service). Transmission Fluid Change: Automatic: Every 30,000 miles (48,000 km) or 36 months. Manual: Check periodically, typically inspected with clutch service. Coolant Flush: Every 30,000 miles (48,000 km) or 36 months. Spark Plug Replacement: Approx. 100,000 miles (160,000 km) for original equipment (OE) Champion copper plugs, or sooner for aftermarket replacements. Fluid Specifications Engine Oil Type: SAE 10W-30 API SJ or higher Engine Oil Capacity: 6 US quarts (5.7 liters) with filter Automatic Transmission Fluid: ATF+4 (Chrysler Material Specification MS-9602) Manual Transmission Fluid Nv3550: Mopar Manual Transmission Lubricant (or equivalent SAE 75W-90 GL-3/GL-4) Transfer Case Fluid: ATF+4 (Chrysler Material Specification MS-9602) Coolant Type: Chrysler HOAT (Hybrid Organic Acid Technology) Antifreeze/Coolant, Mopar 50/50 mix Known Issues Common Wear Items: Clutch components (manual transmission), U-joints, wheel bearings, exhaust system corrosion, radiator. Engine Specific: The 4.0L inline-six is generally robust, but can experience rear main seal leaks and occasional distributorless ignition system (DIS) coil pack failures. Transfer Case Issues: Potential for chain stretch or wear in older models, though generally reliable. 📚 Vehicle History Brand Heritage Jeep Legacy: Founded on military utility vehicles, Jeep has a long-standing reputation for off-road capability and ruggedness. Model Evolution Tj Generation Introduction: The TJ Wrangler was introduced for the 1997 model year, succeeding the YJ Wrangler. It marked a significant return to coil springs and a more refined, yet still rugged, design. Tj Updates 2002: For 2002, key updates included the availability of the 6-speed manual transmission (NSG370) as an...