2006 Mitsubishi Endeavor

The 2006 Mitsubishi Endeavor is a mid-size SUV that offered a blend of comfort and functionality. All 2006 Endeavors came equipped with a 3.8-liter V6 engine producing 225 horsepower and 255 lb-ft of torque, paired with a 4-speed automatic transmission. Owners generally appreciated the Endeavor’s spacious interior, smooth ride, and distinctive styling. However, some common criticisms included the fuel economy and some reliability concerns, especially as the vehicles aged.

Engine

3.8L V6

• Oil Leaks
  • Description/Symptoms: Oil leaks can develop from various areas, including valve cover gaskets, oil pan gasket, and front crankshaft seal. Symptoms include visible oil leaks under the vehicle, a burning oil smell, and low oil levels.
  • Solution: Replace the leaking gasket or seal.
  • Estimated Cost to Fix: $150 - $400+ depending on the location of the leak.
  • Recalls: None Found
• Rough Idling/Stalling
  • Description/Symptoms: Rough idling, stalling, or hesitation can be caused by issues with the mass airflow sensor (MAF), throttle position sensor (TPS), or idle air control valve (IAC).
  • Solution: Diagnose the faulty sensor and replace it. Cleaning the throttle body can also help.
  • Estimated Cost to Fix: $100 - $300+ depending on the sensor.
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant leaks may occur from the radiator, hoses, water pump, or thermostat housing. Look for visible coolant leaks, overheating, and low coolant levels.
  • Solution: Replace the leaking component.
  • Estimated Cost to Fix: $100 - $500+ depending on the location of the leak.
  • Recalls: None Found

Transmission

4-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Harsh or erratic shifting between gears. Can also be accompanied by slipping.
  • Solution: Could be caused by contaminated or low transmission fluid, faulty solenoids, or internal damage to the transmission. A fluid flush and filter change may help. If the problem persists, internal repairs or a transmission replacement may be necessary.
  • Estimated Cost to Fix: $100 (fluid change) - $3000+ (transmission replacement).
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: The engine revs up without a corresponding increase in vehicle speed. This often occurs during acceleration or when shifting gears.
  • Solution: Check transmission fluid levels and condition. A fluid flush may help. If the problem persists, it could indicate worn clutches or other internal damage, requiring a rebuild or replacement.
  • Estimated Cost to Fix: $100 (fluid change) - $3000+ (transmission replacement).
  • Recalls: None Found

Suspension

• Worn Struts/Shocks
  • Description/Symptoms: Bouncy ride, poor handling, excessive body roll, and noises when going over bumps.
  • Solution: Replace worn struts and shocks.
  • Estimated Cost to Fix: $300 - $800+ per axle.
  • Recalls: None Found
• Worn Ball Joints/Tie Rod Ends
  • Description/Symptoms: Clunking or rattling noises from the suspension, loose steering, and uneven tire wear.
  • Solution: Replace worn ball joints and tie rod ends.
  • Estimated Cost to Fix: $200 - $600+ per side.
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming headlights, warning lights on the dashboard, and difficulty starting the vehicle.
  • Solution: Replace the faulty alternator.
  • Estimated Cost to Fix: $200 - $500+.
  • Recalls: None Found
• Power Window Issues
  • Description/Symptoms: Power windows that are slow to operate, fail to go up or down, or make unusual noises.
  • Solution: Repair or replace the window motor or regulator.
  • Estimated Cost to Fix: $150 - $400+ per window.
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust formation, especially in areas prone to moisture and salt exposure like wheel wells, undercarriage, and around body seams.
  • Solution: Repair or replace rusted body panels. Prevention with rustproofing can help.
  • Estimated Cost to Fix: $100 - $1000+ depending on the severity and location.
  • Recalls: None Found

Interior

• Air Conditioning Issues
  • Description/Symptoms: A/C blowing warm air, unusual noises from the A/C compressor, or a malfunctioning blower motor.
  • Solution: Diagnose and repair the A/C system, which may involve recharging the refrigerant, replacing the compressor, or fixing the blower motor.
  • Estimated Cost to Fix: $100 (recharge) - $800+ (compressor replacement).
  • Recalls: None Found
• Broken or Cracked Dashboard
  • Description/Symptoms: Cracks forming along the dashboard surface, particularly in areas exposed to direct sunlight, causing aesthetic issues and potential structural weakness.
  • Solution: Repairing or replacing the dashboard. Repairs involve filling and refinishing the cracks. Replacement can be costly and involve a lot of labor to install.
  • Estimated Cost to Fix: $100 - $200 for DIY repairs, or $500 - $1000+ for professional replacement.
  • Recalls: None Found

Summary

The 2006 Mitsubishi Endeavor, while appreciated for its comfort and styling, can present owners with several reliability concerns as it ages. Engine and transmission issues, such as oil leaks, rough shifting, and slippage, are relatively common and can range from minor to costly repairs. Suspension and electrical problems also occur with some frequency. Body rust can also be a concern, especially in regions with harsh winters. Overall, potential buyers should thoroughly inspect any 2006 Endeavor and budget for potential maintenance and repairs. The severity of the issues ranges from minor annoyances to potentially expensive repairs, with costs varying widely depending on the specific problem and the extent of the damage.