🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2004 Chassis Code: TJ 👋 Introduction Market Position Segment: Compact Sport Utility Vehicle (SUV) / Off-Road Vehicle Competitive Analysis Competitors: Toyota Tacoma (4x4 variants), Suzuki Samurai, Land Rover Defender (early models), Ford Bronco (prior generations) Key Features Design Philosophy: Rugged, go-anywhere capability, iconic off-road styling, open-air experience Target Audience: Off-road enthusiasts, outdoor adventurers, those seeking a durable and versatile vehicle 📋 Manual Details Coverage Areas Primary Coverage: 2004 Jeep Wrangler TJ Specific Trims: Likely covers all 2004 TJ trims including SE, Sport, Sahara, Rubicon Page Count Estimated Pages: 1000+ Manual Type Type: Workshop Service Manual (WSM) / Repair Manual Language Language: English Format Format: Digital Download (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain, Exhaust Chassis: Suspension, Steering, Brakes, Frame Electrical: Wiring Diagrams, Lighting, Ignition, Charging System, Instrumentation, Power Accessories Body: Body Panels, Interior Trim, Doors, Glass, Convertible Top (if applicable) Fuel System: Fuel pump, fuel injectors, fuel lines, fuel tank, evaporative emissions (EVAP) Cooling System: Radiator, water pump, thermostat, cooling fan, heater core Ignition System: Spark plugs, ignition coils/distributor, ignition control module Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Diagnostics: Troubleshooting Guides, Symptom-Based Diagnostics, Diagnostic Trouble Codes (DTCs) Repair: Component Removal and Installation, Component Overhaul, Adjustment Procedures Specifications: Torque Specifications, Clearances, Alignment Data, Electrical Values Engine Repair: Cylinder head removal/installation, piston and connecting rod service, crankshaft service, valve train overhaul Transmission Repair: Automatic transmission internal repairs, manual transmission clutch replacement and gearbox service Brake System Repair: Disc brake pad and rotor replacement, caliper service, brake line repair, brake bleeding Technical Depth Depth: Comprehensive (from basic maintenance to major overhaul and diagnostics) Wiring Diagrams: Detailed and comprehensive wiring diagrams for all electrical systems 📊 Manual Specifications File Format Digital Format: Likely PDF for easy viewing and searching Print Quality Quality: Professional quality, in-depth content Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Overhead Valve (OHV) Engine Code: 4.0L (242 cu in) "Tuff's" AMC 242 Displacement: 3952 cc (4.0 Liters) Performance Horsepower: 190 hp @ 4600 rpm Torque: 235 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (Sequential Multi-Port) Recommended Fuel: 87 Octane Unleaded Gasoline Cooling System Coolant Type: Mopar OAT (Organic Acid Technology) Antifreeze/Coolant, Blue Lubrication Oil Type: SAE 10W-30 API SN or newer (check specific manual for SN/SP) Oil Capacity: 5 US quarts (4.7 Liters) with filter 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (42RLE) Optional Transmission Type: 6-Speed Manual (NV3550) Features Transfer Case: New Venture Gear NV241 GII (Command-Trac part-time, 2-speed, gear-driven) Fluid Specifications Automatic Transmission Fluid: Mopar ATF+4 (MS-9602) Manual Transmission Fluid: Mopar Manual Transmission Lubricant (MS-9224) or equivalent API GL-4, SAE 75W-90 Transfer Case Fluid: Mopar NV241 Lubricant (MS-9446) or equivalent API GL-5, SAE 75W-90 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 151.4 inches (3845 mm) Width: 66.5 inches (1689 mm) Height: 71.0 inches (1803 mm) (with hardtop) Ground Clearance: 10.1 inches (257 mm) Weights Curb Weight: Approx. 3,400 - 3,600 lbs (1542 - 1633 kg) Gross Vehicle Weight Rating: Approx. 4,500 - 4,700 lbs (2041 - 2132 kg) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4/5 Star rating (depending on specific configuration) Active Features ABS: Available (Standard on some trims, optional on others) Passive Features Airbags: Driver and Passenger Frontal Airbags Seatbelts: Three-point front seat belts, lap belts in rear 💡 Technology Features Infotainment Audio System: Basic AM/FM stereo with CD player or cassette player, optional premium sound system Driver Assistance Traction Control: Not commonly equipped on 2004 models, focus is on mechanical 4x4 system Connectivity Auxiliary Input: Not standard, aftermarket solutions common 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (synthetic recommended) Tire Rotation: Every 5,000-7,500 miles (8,000-12,000 km) Air Filter Replacement: Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on driving conditions Fluid Specifications Coolant Capacity: 11.2 US quarts (10.6 Liters) Brake Fluid Type: DOT 3 Power Steering Fluid: ATF+4 (MS-9602) or Mopar Power Steering Fluid Known Issues Common Problems: Cracked exhaust manifolds (especially 4.0L), leaking rear main seal, rust (especially frame and floor pans), worn steering components (track bar, ball joints), radiator leaks Critical Maintenance Items: Regularly inspect and service the suspension and steering components due to off-road use. Check for rust periodically. 📚 Vehicle History Brand Heritage Jeep Legacy: Long and storied history dating back to WWII Willys MB, synonymous with off-road capability Model Evolution Tj Generation Introduction: Introduced for the 1997 model year, replacing the YJ. Featured coil spring suspension for improved ride and articulation. Production Manufacturing Plant: Toledo North Assembly Plant, Toledo, Ohio, USA Production Years: 1997-2006 🏆 Awards & Recognition Recognitions Off Road Accolades: Consistently ranked as one of the most capable...