2011 Mazda 6

2011 Mazda 6

The 2011 Mazda 6 is a popular midsize sedan praised for its sleek styling, sporty handling, and comfortable interior. However, like any vehicle, it has its share of issues.

Engine

• 2.5L SkyActiv-G
  • Intake manifold runner valve failure:
    • Description/Symptoms: Sticking or malfunctioning intake manifold runner valves can cause a loss of power, rough idling, and increased fuel consumption.
    • Solution: Replace the failed intake manifold runner valves.
    • Estimated Cost to Fix: $400 - $600+
    • Recalls: None Found
  • Valve cover gasket leak:
    • Description/Symptoms: A leaking valve cover gasket can cause oil to seep out, leaving a visible oil stain on the engine.
    • Solution: Replace the valve cover gasket.
    • Estimated Cost to Fix: $200 - $400
    • Recalls: None Found
• 3.7L V6 Duratec
  • Timing chain tensioner failure:
    • Description/Symptoms: A faulty timing chain tensioner can lead to excessive timing chain slack, resulting in a rattling noise from the engine and possible engine damage.
    • Solution: Replace the timing chain tensioner.
    • Estimated Cost to Fix: $1,000 - $1,500+
    • Recalls: 14V466

Transmission

• 6-speed Manual
  • Clutch shudder:
    • Description/Symptoms: A shuddering feeling when engaging the clutch, especially during acceleration or when climbing hills.
    • Solution: Replace the clutch assembly.
    • Estimated Cost to Fix: $1,000 - $1,500
    • Recalls: None Found
• 6-speed Automatic
  • Shift solenoid failure:
    • Description/Symptoms: Transmission may hesitate or refuse to shift gears, or may exhibit erratic shifting patterns.
    • Solution: Replace the faulty shift solenoid.
    • Estimated Cost to Fix: $300 - $500+
    • Recalls: 14V529

Suspension

• Front suspension strut failure:
  • Description/Symptoms: Premature wear or failure of the front suspension struts, causing a knocking or rattling noise over bumps.
  • Solution: Replace the failed struts.
  • Estimated Cost to Fix: $400 - $600 per strut
  • Recalls: None Found

Electrical

• Alternator failure:
  • Description/Symptoms: Dimming lights, difficulty starting the vehicle, or warning lights indicating electrical system issues.
  • Solution: Replace the failed alternator.
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found

Exterior

• Windshield seal leak:
  • Description/Symptoms: Water leaking into the vehicle from around the windshield, causing moisture and fogging issues.
  • Solution: Replace the windshield seal.
  • Estimated Cost to Fix: $200 - $300
  • Recalls: None Found

Interior

• Power window failure:
  • Description/Symptoms: Windows may fail to operate, become stuck in the open or closed position, or make grinding noises when operating.
  • Solution: Replace the faulty power window motor or switch.
  • Estimated Cost to Fix: $200 - $400 per window
  • Recalls: None Found
• Climate control issues:
  • Description/Symptoms: Malfunctioning climate control system, including problems with heating, cooling, or airflow.
  • Solution: Inspect and repair or replace the affected climate control components.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Overall Summary

The 2011 Mazda 6 is a reliable vehicle overall, but it is not immune to issues. The most common problems reported by owners include engine intake manifold runner valve failure, valve cover gasket leaks, timing chain tensioner failure, and clutch shudder (for manual transmissions). While some of these issues can be costly to repair, the majority are relatively minor and can be addressed proactively to maintain the vehicle’s reliability.