2003 Mitsubishi Montero Sport

The 2003 Mitsubishi Montero Sport is a mid-size SUV known for its off-road capabilities and rugged design. Engine options include a 2.4L inline-4 producing around 132 hp and 148 lb-ft of torque, and a 3.0L V6 producing around 197 hp and 203 lb-ft of torque. Transmission options include a 4-speed automatic and a 5-speed manual, though the automatic was more common. Owners often appreciate its reliability and off-road performance, while common complaints include fuel economy and some age-related maintenance issues.

Engine

2.4L Inline-4

• No Issues Found

3.0L V6

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various locations, including the valve cover gaskets, oil pan gasket, and rear main seal. Symptoms include visible oil leaks, burning oil smell, and low oil levels.
  • Solution: Replace the leaking gaskets or seals.
  • Estimated Cost to Fix: $100 - $500+ depending on the location of the leak and labor costs.
  • Recalls: None Found
• Valve Train Noise (Tick)
  • Description/Symptoms: Some owners have reported a ticking noise coming from the engine, particularly at idle or low speeds. This can be due to worn valve lifters or hydraulic lash adjusters.
  • Solution: Replace the affected valve lifters or lash adjusters. May require head removal for access.
  • Estimated Cost to Fix: $400 - $1000+ depending on the extent of the repair and labor costs.
  • Recalls: None Found

Transmission

4-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Some owners have reported harsh or erratic shifting, particularly between gears. This can be caused by worn or damaged solenoids, valve body issues, or low transmission fluid.
  • Solution: Replacing or repairing the solenoid pack or valve body. A transmission fluid flush and filter change may help in some cases.
  • Estimated Cost to Fix: $200 (flush/filter) - $1000+ (solenoid/valve body) depending on the extent of the repair.
  • Recalls: None Found

5-Speed Manual

• No Issues Found

Suspension

• Lower Ball Joint Failure
  • Description/Symptoms: Premature wear of lower ball joints, leading to excessive play, clunking noises, and potential loss of steering control.
  • Solution: Replacing the lower ball joints. It is generally recommended to replace them in pairs.
  • Estimated Cost to Fix: $200 - $500+ depending on the shop and parts used.
  • Recalls: None Found
• Rear Leaf Spring Sagging
  • Description/Symptoms: The rear leaf springs can sag over time, especially if the vehicle is frequently used for towing or carrying heavy loads. This can result in a lower ride height, reduced load capacity, and poor handling.
  • Solution: Replace the leaf springs.
  • Estimated Cost to Fix: $400 - $800+ depending on the quality of the springs and labor costs.
  • Recalls: None Found

Electrical

• Power Window Failure
  • Description/Symptoms: Power windows may fail to operate, either sticking in place or not moving at all. This is often due to a faulty window motor or switch.
  • Solution: Replace the window motor or switch.
  • Estimated Cost to Fix: $100 - $300+ depending on the part and labor costs.
  • Recalls: None Found
• Alternator Failure
  • Description/Symptoms: Alternator failures can occur, leading to a dead battery, dimming lights, and eventual stalling of the vehicle.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $200 - $500+ depending on the brand of the alternator and labor costs.
  • Recalls: None Found

Exterior

• Rust (Corrosion)
  • Description/Symptoms: Rust can form on the body panels, especially in areas prone to moisture and salt exposure.
  • Solution: Repair the rust by cutting it out and welding in new metal, then paint and seal.
  • Estimated Cost to Fix: $200 - $2000+ depending on severity.
  • Recalls: None Found

Interior

• Cracked Dashboard
  • Description/Symptoms: The plastic dashboard can crack over time due to heat and sun exposure, especially in warmer climates.
  • Solution: Replacement of the dash panel is possible, but very expensive. A dash cover is a cheaper alternative.
  • Estimated Cost to Fix: $50 - $100 (dash cover); $500 - $1500+ (dash replacement)
  • Recalls: None Found

Summary

The 2003 Mitsubishi Montero Sport can be a capable and reliable vehicle, but it’s important to be aware of potential issues, especially given its age. Common problems include oil leaks, suspension wear, and electrical component failures. The severity and cost of these issues can vary, but addressing them promptly can help prevent further damage and ensure the vehicle’s longevity. Rust can also be a significant issue, particularly in certain climates.