2015 Ford Flex

Here is a comprehensive breakdown of common issues and complaints associated with the 2015 Ford Flex, categorized by vehicle components and engine/transmission options.

The 2015 Ford Flex is a unique crossover known for its spacious interior, distinctive boxy styling, and comfortable ride. It offers two engine choices: a 3.5L Ti-VCT V6 producing around 287 horsepower and 254 lb-ft of torque and a more powerful 3.5L EcoBoost V6 rated at approximately 365 horsepower and 350 lb-ft of torque. Both engines are paired with a 6-speed automatic transmission. Owners appreciate the Flex for its cargo capacity, comfortable seating, and distinctive looks. Some common complaints include its fuel economy, perceived bland interior styling, and large turning radius.

Engine

3.5L Ti-VCT V6

• Water Pump Failure
  • Description/Symptoms: Coolant leaking from the water pump area, overheating, and potential engine damage if not addressed promptly.
  • Solution: Replacement of the water pump and potentially other related components like belts and hoses.
  • Estimated Cost to Fix: $500 - $800+
  • Recalls: None Found

3.5L EcoBoost V6

• Turbocharger Failure
  • Description/Symptoms: Loss of power, excessive turbocharger noise (whining or screeching), and potentially error codes. Can lead to engine damage if neglected.
  • Solution: Replacement of the failed turbocharger(s).
  • Estimated Cost to Fix: $1,500 - $3,000+ (depending on if one or both need replacing)
  • Recalls: None Found
• Intake Manifold Failure
  • Description/Symptoms: Cracking in the intake manifold which can cause a vacuum leak, leading to rough running, misfires, and a check engine light.
  • Solution: Replacement of the intake manifold.
  • Estimated Cost to Fix: $500 - $1000
  • Recalls: None Found

Transmission

6-Speed Automatic (6F50)

• Torque Converter Shudder
  • Description/Symptoms: A noticeable shaking or shuddering sensation, particularly during light acceleration or when the torque converter is locking up.
  • Solution: Fluid flush and potentially replacement of the torque converter if the flush doesn’t resolve the issue.
  • Estimated Cost to Fix: Fluid flush $150-$300, Torque Converter Replacement $800-$1500+
  • Recalls: None Found
• Harsh or Delayed Shifting
  • Description/Symptoms: Rough or delayed shifts between gears, sometimes accompanied by a clunking noise.
  • Solution: Fluid flush, valve body repair or replacement, or potentially a full transmission rebuild or replacement.
  • Estimated Cost to Fix: Fluid flush $150-$300, Valve body repair/replacement $500-$1200, Transmission rebuild/replacement $2500-$5000+
  • Recalls: None Found

Suspension

• Rear Suspension Sag
  • Description/Symptoms: The rear of the vehicle sits noticeably lower than the front, leading to poor ride quality and handling, especially when loaded.
  • Solution: Replacement of the rear springs, and potentially the shocks as well.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Front Control Arm Bushing Wear
  • Description/Symptoms: Clunking noises from the front suspension, especially when going over bumps. Steering may feel loose or vague.
  • Solution: Replacement of the worn control arm bushings, or potentially the entire control arm assembly.
  • Estimated Cost to Fix: Bushing replacement $200 - $500 per side, Control arm assembly replacement $300 - $700 per side
  • Recalls: None Found

Electrical

• MyFord Touch/Sync System Issues
  • Description/Symptoms: Unresponsive touchscreen, system freezes, Bluetooth connectivity problems, navigation glitches.
  • Solution: Software updates, replacement of the APIM (Accessory Protocol Interface Module).
  • Estimated Cost to Fix: Software updates (may be free or a small fee at the dealership), APIM replacement $500 - $1200+
  • Recalls: None Found
• Power Window Motor Failure
  • Description/Symptoms: Window not operating, slow or erratic window movement.
  • Solution: Replacement of the power window motor.
  • Estimated Cost to Fix: $200 - $400 per window
  • Recalls: None Found

Exterior

• Liftgate Strut Failure
  • Description/Symptoms: Liftgate will not stay open and falls down easily.
  • Solution: Replacement of the liftgate struts.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

Interior

• Sunroof Leaks
  • Description/Symptoms: Water leaks into the cabin, particularly after rain, often staining the headliner.
  • Solution: Cleaning of sunroof drain tubes, resealing the sunroof assembly, or replacing damaged sunroof components.
  • Estimated Cost to Fix: Drain cleaning $50 - $200, Sealing/component replacement $200 - $800+
  • Recalls: None Found

Summary

The 2015 Ford Flex, while generally reliable, can experience a range of issues. Engine problems, particularly with the EcoBoost variant, can be expensive to address. The transmission can also exhibit issues related to the torque converter and shifting. Suspension and electrical issues are less severe but can still be annoying. Carefully inspect the vehicle for these common problems and factor potential repair costs into your purchase decision. Addressing these issues promptly can help prevent further damage and maintain the Flex’s overall reliability.