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2003 Jeep TJ

2003 Jeep TJ

The 2003 Jeep TJ is a compact SUV known for its off-road prowess. It’s available with various engine and transmission options, including a 2.4L inline-four, a 2.5L inline-four, a 4.0L inline-six, a five-speed manual transmission, and a four-speed automatic transmission. Enthusiasts appreciate its rugged design, powerful engines, and capable off-roading abilities. However, it has received criticism for its outdated interior and lack of modern features.

Engine

2.4L Inline-Four

  • Intake Manifold Gasket Leak:
    • Description/Symptoms: Coolant leak, overheating, rough idle, loss of power
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found
  • Crankshaft Position Sensor Failure:
    • Description/Symptoms: Engine stalls, difficulty starting, erratic idle
    • Solution: Replace crankshaft position sensor
    • Estimated Cost to Fix: $100 - $200+
    • Recalls: None Found

2.5L Inline-Four

  • Camshaft Position Sensor Failure:
    • Description/Symptoms: Engine stalls, difficulty starting, poor fuel economy
    • Solution: Replace camshaft position sensor
    • Estimated Cost to Fix: $150 - $250+
    • Recalls: None Found
  • Timing Chain Tensioner Failure:
    • Description/Symptoms: Noisy engine, loss of power, check engine light
    • Solution: Replace timing chain tensioner
    • Estimated Cost to Fix: $500 - $1000+
    • Recalls: None Found

4.0L Inline-Six

  • Cylinder Head Gasket Failure:
    • Description/Symptoms: Coolant leak, overheating, white smoke from exhaust
    • Solution: Replace cylinder head gasket
    • Estimated Cost to Fix: $1000 - $1500+
    • Recalls: None Found
  • Valve Cover Gasket Leak:
    • Description/Symptoms: Oil leak, burning oil smell
    • Solution: Replace valve cover gasket
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Transmission

Five-Speed Manual Transmission

  • Transmission Leak:
    • Description/Symptoms: Fluid leak from transmission case
    • Solution: Replace seals or gaskets
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found
  • Grinding Gears:
    • Description/Symptoms: Difficulty shifting, grinding noise when shifting
    • Solution: Replace worn gears or synchronizers
    • Estimated Cost to Fix: $500 - $1000+
    • Recalls: None Found

Four-Speed Automatic Transmission

  • Transmission Slippage:
    • Description/Symptoms: Vehicle hesitates when shifting, loss of power
    • Solution: Repair or replace transmission
    • Estimated Cost to Fix: $1000 - $2000+
    • Recalls: None Found
  • Torque Converter Failure:
    • Description/Symptoms: Vehicle stalls or hesitates when accelerating
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $500 - $1000+
    • Recalls: None Found

Suspension

  • Leaf Spring Breakage:
    • Description/Symptoms: Sagging suspension, uneven ride height
    • Solution: Replace leaf springs
    • Estimated Cost to Fix: $400 - $600+
    • Recalls: None Found
  • Control Arm Bushing Failure:
    • Description/Symptoms: Clunking or rattling noise, poor handling
    • Solution: Replace worn bushings
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Electrical

  • Alternator Failure:
    • Description/Symptoms: Dimming lights, electrical system malfunctions
    • Solution: Replace alternator
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: None Found
  • Battery Drain:
    • Description/Symptoms: Battery drains quickly, difficulty starting vehicle
    • Solution: Diagnose and repair source of drain
    • Estimated Cost to Fix: Varies depending on issue
    • Recalls: None Found

Exterior

  • Tailgate Hinge Failure:
    • Description/Symptoms: Tailgate sags or falls off
    • Solution: Replace tailgate hinges
    • Estimated Cost to Fix: $200 - $300+
    • Recalls: None Found
  • Fender Rust:
    • Description/Symptoms: Rust on fenders, especially near wheel wells
    • Solution: Replace fenders or repair with body filler
    • Estimated Cost to Fix: $500 - $1000+
    • Recalls: None Found

Interior

  • Center Console Lid Breakage:
    • Description/Symptoms: Center console lid breaks or cracks
    • Solution: Replace center console lid
    • Estimated Cost to Fix: $100 - $200+
    • Recalls: None Found
  • Gauges Malfunction:
    • Description/Symptoms: Gauges stop working or provide inaccurate readings
    • Solution: Replace or repair faulty gauges
    • Estimated Cost to Fix: $200 - $400+
    • Recalls: None Found

Summary

The 2003 Jeep TJ is a reliable off-road vehicle, but it does have some common issues, particularly with its engines and suspension. Engine problems can be costly to fix, while suspension issues tend to be more minor. Electrical and interior issues are also relatively common, but they are generally less expensive to resolve.

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