🏷️ Basic Information Identification Make: Jeep Model: Wrangler Generation: TJ Year: 2004 Drivetrain: 4x4 Steering Side: Left-Hand Drive (LHD) Codes Chassis Code: TJ 👋 Introduction Market Position Segment: Compact SUV/Off-road Vehicle Brand Perception: Iconic off-road capability, ruggedness, and adventure. Competitive Analysis Direct Competitors: Toyota Tacoma (as an off-road pickup), Nissan Xterra, Suzuki Vitara (earlier models), Land Rover Defender (historically). Key Features Design: Classic Jeep design with removable doors, top, and fold-down windshield for maximum open-air experience. Off Road Capability: Solid front and rear axles, high ground clearance, short overhangs, robust 4x4 system (Command-Trac or optional Rock-Trac). Durability: Built for rugged use and off-road abuse, known for its robust construction. 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Drivetrain Axles: Yes Suspension: Yes Brakes: Yes Steering: Yes Electrical System: Yes Body And Chassis: Yes HVAC: Yes Interior Trim: Yes Diagnostic Troubleshooting: Yes Maintenance Schedules: Yes Wiring Diagrams: Yes Page Count Estimated Pages: ~1500-2000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Detailed diagnostics, component testing, fuel injection, ignition system, emissions controls. Powertrain: Engine overhaul, clutch, flywheel, torque converter, driveline components (e.g., NV241 transfer case). Chassis Suspension Steering: Coil spring suspension, shock absorbers, ball joints, tie rod ends, steering gear, power steering system. Braking System: Front and rear disc brakes, ABS (if equipped), hydraulic system, parking brake. Electrical Diagnostics: Battery, charging system, starting system, lighting, instrumentation, power windows, locks, wipers, horns, fuses, relays. Climate Control: Air conditioning system, heater core, blower motor, controls. Body And Frame: Body panel removal and installation, doors, hood, tailgate, interior trim, convertible top mechanisms. Safety Systems: Seat belts, airbags (if applicable), and related diagnostics. Procedures Included Routine Maintenance: Oil changes, fluid checks and top-offs, filter replacements, tire rotation, spark plug replacement. Component Replacement: Alternator, starter motor, water pump, radiator, brake pads and rotors, clutch assembly, universal joints, wheel bearings. Troubleshooting Diagnostics: Step-by-step diagnostic procedures for common and complex faults, using symptom-based guides. Rebuilding Overhaul: Detailed instructions for engine and transmission rebuilds. Electrical Repairs: Wiring harness repair, component testing, circuit diagnosis. Alignment And Balancing: Wheel alignment specifications and procedures. Exhaust System: Catalytic converter, mufflers, pipes replacement. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls, including detailed diagnostic strategies and wiring schematics. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text (OCR layer) Print Quality Print Capability: Printable pages Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-Cylinder Engine Code: 4.0L (242 ci) OHV I6 'Power Tech' Displacement: 3952 cc Bore X Stroke: 3.875 in x 3.575 in (98.5 mm x 90.8 mm) Compression Ratio: 8.75:1 Performance Horsepower Peak: 190 hp @ 4,600 rpm Torque Peak: 235 lb-ft @ 3,200 rpm Fuel System Fuel Delivery: Multi-point Electronic Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Ignition System: Distributorless Ignition System (DIS) Cooling System Coolant Capacity: Approx. 13.5 quarts (12.8 liters) 🔧 Transmission Standard Transmission Type: Manual Manual Transmission Model: AX-15 (early TJ, phased out for NSG 370) Manual Transmission Model 2004: NSG 370 (6-speed) Optional Transmission Type: Automatic Automatic Transmission Model: 42RLE (4-speed automatic) Features Transfer Case: NV241 GII Command-Trac (standard), NV241 OR Rock-Trac (optional on Rubicon) Transfer Case Gear Ratios: Command-Trac: 2.72:1 low range; Rock-Trac: 4.0:1 low range Fluid Type Automatic Transmission Fluid: ATF+4 (Chrysler Mopar Material Standard MS-9602) Manual Transmission Fluid: Mopar Manual Transmission Lubricant (or equivalent SAE 75W-90 GL-3/GL-4) Transfer Case Fluid: Mopar NV241 Transfer Case Lubricant (or equivalent SAE 75W-90 GL-3/GL-4) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 151.4 inches (3845 mm) Width: 66.5 inches (1689 mm) Height: 72.6 inches (1844 mm) (with hardtop) Ground Clearance: Approx. 8.5 inches (216 mm) Weights Curb Weight: Approx. 3,300 - 3,500 lbs (1497 - 1588 kg) Gross Vehicle Weight Rating Gvwr: Approx. 4,400 lbs (1996 kg) Towing Max Towing Capacity: 2,000 lbs (907 kg) Max Tongue Weight: 200 lbs (91 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating: 4 out of 5 stars (typical for its class and era, specific 2004 rating may vary slightly) Active Features ABS: Standard on all 4x4 models for 2004 (Front disc, Rear disc). Passive Features Airbags: Driver and passenger front airbags. Seat Belts: 3-point front seat belts, 2-point rear seat belts (lap belts). Structural Frame Construction: Body-on-frame construction for durability and off-road resilience. 💡 Technology Features Infotainment Audio System: Basic AM/FM/CD or cassette player, optional Infinity sound system. Navigation: Not typically factory-equipped on base models for this year; aftermarket units common. Driver Assistance Cruise Control: Available on higher trim levels. Connectivity Auxiliary Input: Rarely standard; aftermarket solutions for AUX or Bluetooth are common. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles (4,800-12,000 km) or 6-12 months, depending on driving conditions and oil type (refer to...