🏷️ Basic Information Identification Make: Jeep Model: Wrangler Year: 2004 Model Code: TJ 👋 Introduction Market Position Target Audience: Jeep Wrangler owners interested in DIY maintenance and repair, as well as independent repair shops. Competitive Analysis Manual Value Proposition: Empowers owners to perform repairs and maintenance themselves, saving money and gaining mechanical knowledge. Key Features Diy Focus: Explicitly designed to facilitate 'do-it-yourself in home' repairs and servicing. Tool Incentive: Encourages tool acquisition as part of the DIY process. 📋 Manual Details Coverage Areas Manual Type: Service & Repair Manual Language: English Format: PDF Download Compatible Os: All Versions of Windows & Mac Software Requirements: Adobe PDF Reader 📖 Manual Coverage Systems Covered General Maintenance: Yes Troubleshooting: Yes Engine Service Repair: Yes Transmission Service Repair: Yes Brake System: Yes Electrical System: Yes Suspension: Yes Wiring Diagram: Yes Periodic Lubrication: Yes Steering: Yes Cooling System: Yes Fuel Injection Fuel System: Yes Emission System: Yes Heater Air Conditioning: Yes Engine Control System: Yes Chassis Body: Yes Restraint System: Yes Interior: Yes Differential Drive Axle: Yes Procedures Included Workshop Procedures: Detailed instructions and step-by-step diagrams for all workshop procedures. Technical Depth Diagnostics Level: Comprehensive troubleshooting guides and diagnostic procedures. Repair Scope: DIY home repair capabilities, covering all major workshop procedures. 📊 Manual Specifications File Specifications File Format: PDF Print Quality: Digital PDF, optimized for on-screen viewing and printing. Binding Type: N/A (Digital Download) Paper Type: N/A (Digital Download) Searchable Text: Likely (depending on PDF source) - enables quick navigation. ⚙️ Engine Specifications Primary Engine Engine Options 2004 Wrangler: Primarily the 4.0L (242 cu in) Inline-6 and the 2.4L (147 cu in) Inline-4. This manual likely covers both. Performance 4.0L I6 Approx Hp: 190 hp @ 4600 rpm (estimate, varies slightly by year/tuning) 4.0L I6 Approx Torque: 235 lb-ft @ 3200 rpm (estimate, varies slightly by year/tuning) 2.4L I4 Approx Hp: 147 hp @ 5200 rpm (estimate) 2.4L I4 Approx Torque: 158 lb-ft @ 4000 rpm (estimate) Fuel System Fuel Delivery: Electronic Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Options 2004 Wrangler: AX-15 (4-speed automatic) and NV3550 (5-speed manual) are common. The manual will detail both. Optional Manual Transmission Details: 5-speed manual (NV3550) likely covered in detail. Automatic Transmission Details: 4-speed automatic (42RLE) likely covered in detail. Features Transfer Case: 2-speed New Process (NP) 231 Command-Trac part-time 4WD system. 📐 Dimensions Exterior Wheelbase 2 Door: 93.4 inches (2372 mm) Length 2 Door: 158.5 inches (4026 mm) Width 2 Door: 66.7 inches (1694 mm) Height 2 Door Soft Top: 71.6 inches (1819 mm) Weights Curb Weight Approx: 3,600 - 4,000 lbs (1633 - 1814 kg), depending on configuration. 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 3-star (typical for this era of SUVs, particularly body-on-frame). Active Features ABS: Standard on all models. Passive Features Airbags: Driver and front passenger airbags. Body Construction: Solid axle front and rear suspension with robust chassis construction. 💡 Technology Features Infotainment Audio System Options: Standard AM/FM stereo with cassette and CD player options. Upgraded Infinity speaker systems were available. Driver Assistance Advanced Safety Features: Limited by era; primarily focused on passive safety features and ABS. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 to 7,500 miles (5,000 to 12,000 km) or 6 months, depending on oil type and driving conditions. The manual will specify recommended intervals with various oil types. Transmission Fluid Change: Consult manual for specific intervals based on driving conditions (e.g., 30,000-60,000 miles for severe use). Differential Fluid Change: Recommended around 30,000 miles, especially if used for towing or off-roading. Manual will provide specific intervals. Fluid Specifications Engine Oil Type: Likely SAE 10W-30 or 5W-30 for the 4.0L, and SAE 5W-30 for the 2.4L. Manual will confirm with API service classifications (e.g., API SN). Coolant Type: Chrysler HOAT (Hybrid Organic Acid Technology) or OAT (Organic Acid Technology) coolant. Manual will specify Mopar or equivalent. Transmission Fluid Auto: ATF+4 (Mopar P/N 05013457AA or equivalent). Transmission Fluid Manual: Likely GL-3 or GL-4 75W-90 synthetic gear oil for NV3550. Manual will specify exact type and viscosity. Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Manual will confirm. Known Issues Common Wrangler Tj Issues: Examples include potential for exhaust manifold cracks (especially 4.0L), interior water leaks, rust on frame and body, front sway bar link issues, and typical wear-and-tear on suspension components from off-road use. The manual will offer solutions for these. 📚 Vehicle History Brand Heritage Jeep Legacy: Jeep has a rich military and off-road heritage dating back to World War II. Model Evolution Tj Generation: The TJ generation (1997-2006) marked a significant departure with the introduction of coil springs instead of leaf springs, improving ride comfort and handling. Production Production Plant: Toledo South Complex, Toledo, Ohio, USA. 🏆 Awards & Recognition Recognitions Off Road Capability Recognition: Consistently recognized as a benchmark for off-road...