🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2004 Platform: TJ Codes Chassis Code: TJ 👋 Introduction Market Position Segment: Compact SUV / Off-Road Vehicle Key Differentiator: Iconic off-road capability, open-air design Competitive Analysis Competitors 2004: Toyota 4Runner, Nissan Xterra, Ford Explorer, Chevrolet Blazer Key Features Body Styles: 2-Door (Wrangler), 4-Door (Wrangler Unlimited - introduced in 2004) Powertrain Options: Robust 4.0L Inline-6, efficient 2.4L Inline-4 Off Road Features: Solid axles, low-range 4WD transfer case, high ground clearance, removable doors and top 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Workshop Repair Page Count Estimated Pages: 1500-2000 Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital PDF (Searchable, Printable) 📖 Manual Coverage Systems Covered Engine: 4.0L (12-valve OHV Inline-6) PowerTech, 2.4L (16-valve DOHC Inline-4) DOHC Transmission: NV3550 (5-speed Manual), 42RLE (4-speed Automatic) Drivetrain: NP231 (Command-Trac NV241OR for Rubicon) Transfer Case, Dana 30 (Front Axle), Dana 35C (Rear Axle, optional Dana 44 for Rubicon) Suspension: Front: Solid Live Axle with Coil Springs, Radius Arms; Rear: Solid Live Axle with Coil Springs, Trailing Arms, Panhard Bar Steering: Recirculating Ball, Power Assist Brakes: Front: Ventilated Disc; Rear: Solid Disc (ABS Optional) Electrical: Charging System, Starting System, Ignition System, Lighting, Gauges, Body Control Module (BCM), Powertrain Control Module (PCM), Fuses and Relays, Diagnostics Body: Body Panels, Doors, Hood, Tailgate, Soft Top, Hardtop, Interior Trim, Bumpers HVAC: Heating, Ventilation, Air Conditioning System Safety Systems: Airbags (Driver and Passenger), Seatbelts, ABS (if equipped) Procedures Included Scheduled Maintenance: Oil Changes, Filter Replacements, Tire Rotations, Fluid Checks and Replacements Troubleshooting: Diagnostic Charts, Symptom-Based Troubleshooting Guides Repair Procedures: Engine Removal/Installation, Transmission Overhaul, Axle Service, Brake Caliper Replacement, Suspension Component Replacement, Electrical Component Diagnosis and Repair Diagnostics: OBD-II Diagnostic Trouble Codes (DTCs), Scan Tool Usage, Component Testing Procedures Wiring Diagrams: Complete Electrical Schematics for all Systems Specifications: Torque Specifications, Fluid Capacities, Component Dimensions, Electrical Values Rebuilds: Engine Rebuild Specifications, Transmission Rebuild Procedures, Differential Rebuild Procedures Technical Depth Depth: In-depth, Professional-Level Technical Information Detail Level: Includes detailed diagrams, schematics, step-by-step instructions, and diagnostic procedures Target Audience: Professional Technicians and Advanced DIY Mechanics 📊 Manual Specifications File Format File Type: PDF Searchability: Full text searchable Printability: Printable Print Quality Image Resolution: High-resolution, clear diagrams and illustrations Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Name 1: 4.0L PowerTech Inline-6 Engine Code 1: ERH Displacement 1: 3952 cc (241 cubic inches) Configuration 1: Inline-6 Cylinder, OHV, 12 Valves Bore X Stroke 1: 98.4 mm x 86.6 mm (3.87 in x 3.41 in) Compression Ratio 1: 8.8:1 Horsepower 1: 190 hp @ 4600 rpm Torque 1: 235 lb-ft @ 3200 rpm Performance Engine Name 2: 2.4L DOHC Inline-4 Engine Code 2: ENH Displacement 2: 2429 cc (148 cubic inches) Configuration 2: Inline-4 Cylinder, DOHC, 16 Valves Horsepower 2: 147 hp @ 5400 rpm Torque 2: 165 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 AKI (for 4.0L), 87 AKI (for 2.4L) 🔧 Transmission Standard Transmission Type Std: NV3550 5-Speed Manual Optional Transmission Type Opt: 42RLE 4-Speed Automatic Features Clutch Type: Hydraulic Actuated Dry Single Plate Manual Fluid Spec: Mopar Manual Transmission Fluid (or equivalent SAE 75W-90 synthetic gear oil) Automatic Fluid Spec: Mopar ATF+4 (MS-9602) 📐 Dimensions Exterior Wheelbase 2Dr: 93.4 inches (2372 mm) Wheelbase 4Dr Unlimited: 103.4 inches (2626 mm) Length 2Dr: 150.7 inches (3828 mm) Length 4Dr Unlimited: 161.7 inches (4107 mm) Width Excluding Mirrors: 66.5 inches (1689 mm) Height To Top Of Hardtop: 72.5 inches (1841 mm) Ground Clearance: Approx. 8.3 inches (211 mm) - varies by tire size and configuration Weights Curb Weight 2Dr Manual: Approx. 3,275 lbs (1485 kg) Curb Weight 2Dr Auto: Approx. 3,350 lbs (1520 kg) Gross Vehicle Weight Rating Gvwr: Approx. 4,400 - 4,800 lbs (2000 - 2177 kg) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star (may vary by configuration) Active Features ABS: Optional Anti-lock Braking System (ABS) on all 4 wheels Traction Control: Not standard, part of optional traction control system for some models/trims Passive Features Airbags: Driver and front-passenger airbags Seatbelts: Three-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Optional premium audio systems with CD player, AM/FM stereo Navigation: Not typically factory-equipped in 2004, aftermarket options available Driver Assistance Cruise Control: Optional Connectivity Auxiliary Input: Not standard, aftermarket solutions 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles (5,000-8,000 km) or 6 months, depending on driving conditions (refer to manual for specifics) Tire Rotation Interval: Every 5,000-7,500 miles (8,000-12,000 km) Engine Air Filter Replacement: Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection Spark Plug Replacement 4.0L: Approx. 100,000 miles (160,000 km) for platinum-tipped plugs Fluid Specifications Engine Oil Capacity 4.0L: 4.0 quarts (3.8 liters) with filter Engine Oil Type 4.0L:...