2009 Lincoln MKZ

Here’s a breakdown of common problems and complaints associated with the 2009 Lincoln MKZ, categorized by system, including engine-specific issues.

The 2009 Lincoln MKZ is a mid-size luxury sedan known for its comfortable ride and relatively affordable price point in the luxury market. The 2009 model year offered two engine choices: a 3.5L V6 Duratec engine and a 2.0L inline-4 engine hybrid. The 3.5L V6 produces 263 horsepower and 249 lb-ft of torque. Many owners appreciate the MKZ’s quiet cabin, smooth ride, and elegant styling. However, some criticisms include a somewhat dated interior design for the time and handling that isn’t as sporty as some competitors.

Engine

3.5L Duratec V6

• Water Pump Failure
  • Description/Symptoms: Internal water pump failure can lead to coolant leaking into the engine oil, potentially causing severe engine damage. Symptoms include overheating, coolant loss, and milky or frothy oil.
  • Solution: Replace the water pump and perform an oil change. If the engine has sustained damage, further repairs or replacement may be necessary.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Throttle Body Issues
  • Description/Symptoms: Hesitation upon acceleration, rough idling, stalling. These symptoms can be caused by a dirty or failing throttle body.
  • Solution: Cleaning the throttle body is the first step. If cleaning doesn’t resolve the issue, replacement of the throttle body might be necessary.
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found

2.0L Inline-4 Engine (Hybrid) * No Issues Found

Transmission

6F35 6-Speed Automatic Transmission (Paired with 3.5L V6)

• Torque Converter Failure
  • Description/Symptoms: Shuddering during gear changes, particularly at lower speeds. Can also manifest as complete failure to engage a gear.
  • Solution: Replace the torque converter. It’s often recommended to flush the transmission fluid and inspect for debris that could indicate further damage.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Harsh or erratic shifting, delayed engagement of gears, slipping.
  • Solution: Replacing or rebuilding the valve body. Sometimes, a software update can help, but physical damage usually requires replacement.
  • Estimated Cost to Fix: $800 - $2000
  • Recalls: None Found

eCVT Transmission (Hybrid) * No Issues Found

Suspension

• Front Strut Mount Noise
  • Description/Symptoms: Creaking or popping noises from the front suspension, especially when turning or going over bumps.
  • Solution: Replace the front strut mounts.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Electrical

• Instrument Cluster Malfunction
  • Description/Symptoms: Intermittent or complete failure of the instrument cluster. This can include gauges not working, warning lights not illuminating, or the display going blank.
  • Solution: Replacement of the instrument cluster. Reflashing the module may sometimes work, but is not reliable.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Door locks failing to lock or unlock, either with the remote or the interior switch.
  • Solution: Replace the faulty door lock actuator.
  • Estimated Cost to Fix: $150 - $400
  • Recalls: None Found
• Power Window Issues
  • Description/Symptoms: Windows failing to operate or operating slowly.
  • Solution: Diagnosing wiring issues. If the motor is at fault, replace the faulty window motor.
  • Estimated Cost to Fix: $150 - $400
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof may stick, fail to open or close properly, or make excessive noise during operation.
  • Solution: Diagnosing the sunroof motor. Replace the faulty sunroof motor.
  • Estimated Cost to Fix: $200 - $600
  • Recalls: None Found

Summary:

The 2009 Lincoln MKZ can be a comfortable and affordable luxury sedan, but potential buyers should be aware of some common issues. The 3.5L V6 is known for water pump failures, which can lead to costly engine repairs if not addressed promptly. Transmission issues, particularly with the 6F35 automatic, can also be a concern. Electrical problems with the instrument cluster and door locks are also fairly common. Overall, while the MKZ offers a smooth ride and comfortable interior, it’s crucial to have a thorough inspection performed before purchasing to identify and address any potential problems. The severity of the potential issues ranges from moderate electrical glitches to major engine or transmission failures, with repair costs varying accordingly.