🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2004 Codes Chassis Code: TJ 👋 Introduction Market Position Category: Iconic Off-Road SUV Segment: Compact SUV, off-road focused Competitive Analysis Competitors: Toyota 4Runner, Nissan Xterra, Suzuki Vitara (historically) Key Features Off Road Capability: Renowned for its off-road prowess, solid axles (on TJ generation), robust 4WD systems Design: Classic Jeep styling, removable doors and top for open-air driving experience Durability: Built for rugged use and off-road adventures 📋 Manual Details Coverage Areas Covered Model Years: 2004 Covered Generations: TJ Page Count Estimated Pages: Approximately 2000+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: All engine systems, including diagnostics, repair, and overhaul Transmission: Manual and Automatic transmission systems, including rebuilds Drivetrain: 4WD system (NV241 GII transfer case), differentials, axles, driveshafts Suspension: Front and rear suspension components, steering system, alignment Brakes: Front and rear brake systems, ABS (if equipped), parking brake Electrical: Complete electrical schematics, lighting, ignition, charging system, starter, battery Fuel System: Fuel injection, fuel pump, lines, evaporative emissions system Cooling System: Radiator, water pump, thermostat, cooling fan, coolant specifications Exhaust System: Exhaust manifold, catalytic converter, muffler, emissions control Body And Frame: Body panel removal and installation, frame specifications, interior trim HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnostics and repair Safety Systems: Airbag system (if equipped), seat belt maintenance Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication Troubleshooting: Diagnostic procedures, symptom-based troubleshooting charts, fault codes Repair: Component-level repair procedures, step-by-step instructions Overhaul: Complete engine and transmission rebuild procedures Diagnostics: On-Board Diagnostics (OBD-II) system information, diagnostic tool usage Wiring Diagrams: Comprehensive electrical wiring schematics for all systems Specifications: Torque specifications, clearances, adjustments Technical Depth Depth: Comprehensive, covering from basic maintenance to full engine and transmission rebuilds 📊 Manual Specifications File Format File Type: PDF Searchable: Yes (typically) Print Quality Quality: High-resolution, suitable for printing Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: 4.0L Inline 6-Cylinder (OHV) Engine Name: PowerTech I6 Displacement: 3952 cc (241 cubic inches) Bore X Stroke: 3.875 x 3.414 inches (98.4 x 86.7 mm) Compression Ratio: 8.7:1 Performance Horsepower: 190 hp @ 4600 RPM (approx.) Torque: 235 lb-ft @ 3200 RPM (approx.) Fuel System Induction: Electronic Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline, 87 octane minimum Engine Oil Oil Type: API SN or newer, SAE 5W-30 Oil Capacity: 6.0 US quarts (5.7 L) with filter change Cooling System Coolant Type: Mopar OAT (Organic Additive Technology) Antifreeze/Coolant (blue) or equivalent Coolant Capacity: 12.1 US quarts (11.4 L) 🔧 Transmission Standard Transmission Type: 6-speed Manual Transmission (NSG370) Optional Transmission Type: 4-speed Automatic Transmission (42RLE) Features Manual Clutch: Hydraulic clutch actuation Automatic Fluid Fluid Type: Mopar ATF+4 (MS-9602) or equivalent Fluid Capacity: 7.8 US quarts (7.4 L) dry fill Manual Fluid Fluid Type: Mopar Manual Transmission Lubricant (MS-9224) or equivalent SAE 75W-90 synthetic Fluid Capacity: 2.2 US quarts (2.1 L) 📐 Dimensions Exterior Wheelbase: 93.4 inches (2372 mm) Length: 159.8 inches (4059 mm) Width: 73.1 inches (1857 mm) Height: 73.9 inches (1877 mm) (with hardtop) Ground Clearance: 10.2 inches (259 mm) Weights Curb Weight: Approximately 3,500 - 3,800 lbs (1588 - 1724 kg) Tires Standard Tire Size: P215/75R15 Wheels Wheel Bolt Pattern: 5x4.5 inches (5x114.3 mm) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3/5 stars (depending on configuration) Active Features ABS: Available Anti-lock Braking System (ABS) Passive Features Airbags: Front airbags Seat Belts: 3-point front seat belts with pretensioners, 3-point rear seat belts 💡 Technology Features Infotainment Audio System: Base AM/FM stereo with CD player, optional Infinity sound system. Driver Assistance Features: Limited driver assistance features. Primarily focused on mechanical capability. Connectivity Features: No integrated Bluetooth or advanced connectivity features typically found in modern vehicles. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months, whichever comes first (severe service may require more frequent changes) Tire Rotation Interval: Every 6,000 miles or 6 months Transmission Fluid Change Auto: Every 60,000 miles or 60 months Transmission Fluid Change Manual: Every 100,000 miles or 120 months Transfer Case Fluid Change: Every 60,000 miles or 60 months Differential Fluid Change: Every 60,000 miles or 60 months Fluid Specifications Brake Fluid Type: DOT 3 Power Steering Fluid Type: Mopar Power Steering Fluid or equivalent Known Issues Common Issues: Common issues include potential leaks (oil pan, valve cover, rear main seal), steering box wear, heater core leaks, and occasional ignition coil failures. Some TJ models may experience 'death wobble' if steering or suspension components are worn. 📚 Vehicle History Brand Heritage Jeep Legacy: Jeep has a long and storied history dating back to its WWII origins, synonymous with off-road capability and freedom. Model Evolution Tj Generation: The TJ generation (1997-2006) marked a significant return to Jeep's roots with the...