2004 Jeep TJ

Introduction:

The 2004 Jeep TJ is a compact, off-road SUV available with two engine options: a 2.4L inline-4 and a 4.0L inline-6. It features a solid front axle and live rear axle, offering exceptional off-road capabilities. While the TJ is known for its ruggedness and reliability, it has faced some common issues over the years.

Engine

2.4L Inline-4

• Intake Manifold Gasket Failure:
  • Description/Symptoms: Coolant leaks, overheating, rough idle
  • Solution: Replace intake manifold gasket
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

4.0L Inline-6

• Cylinder Head Crack:
  • Description/Symptoms: Coolant leaks, overheating, loss of power
  • Solution: Replace cylinder head
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found
• Oil Pump Failure:
  • Description/Symptoms: Low oil pressure, engine noise, engine failure
  • Solution: Replace oil pump
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found

Transmission

NSG370 Manual Transmission

• Grinding Gears:
  • Description/Symptoms: Difficulty shifting gears, grinding noise
  • Solution: Replace synchronizers or transmission
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

42RLE Automatic Transmission

• Torque Converter Failure:
  • Description/Symptoms: Transmission slipping, overheating, shuddering
  • Solution: Replace torque converter
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found

Suspension

• Rear Axle Seal Failure:
  • Description/Symptoms: Leaking axle fluid
  • Solution: Replace axle seal
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found
• Leaf Spring Breakage:
  • Description/Symptoms: Loss of suspension, handling issues
  • Solution: Replace leaf springs
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found

Electrical

• Tail Light Wiring Harness Failure:
  • Description/Symptoms: Inoperative tail lights
  • Solution: Replace wiring harness
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found
• Ignition Switch Failure:
  • Description/Symptoms: Intermittent power, difficulty starting
  • Solution: Replace ignition switch
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Exterior

• Rust on Tailgate and Door Hinges:
  • Description/Symptoms: Corrosion and pitting
  • Solution: Rust removal and refinishing
  • Estimated Cost to Fix: $100 - $300+
  • Recalls: None Found
• Hardtop Seal Leakage:
  • Description/Symptoms: Water leaks into the cabin
  • Solution: Replace hardtop seal
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found

Interior

• Dashboard Cracks:
  • Description/Symptoms: Cracks in the plastic dashboard
  • Solution: Repair or replace dashboard
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Climate Control Issues:
  • Description/Symptoms: HVAC system malfunction, fan problems
  • Solution: Diagnose and repair or replace components
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Summary:

While the 2004 Jeep TJ is a capable off-roader, it has faced some common issues over the years. These issues can be costly to repair, particularly engine failures and transmission problems. However, many of the issues are relatively minor and can be addressed with routine maintenance and repairs. Overall, the TJ remains a popular choice for off-road enthusiasts due to its rugged construction and strong off-road capabilities.