🏷️ 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...
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 capability in its class.