2016 Ford Flex

The 2016 Ford Flex is a full-size crossover SUV known for its distinctive boxy styling, spacious interior, and comfortable ride. It was offered with two engine options: a 3.5L Ti-VCT V6 engine producing 287 horsepower and 254 lb-ft of torque and a more powerful 3.5L EcoBoost V6 engine producing 365 horsepower and 350 lb-ft of torque. Both engines were paired with a 6-speed automatic transmission. Owners appreciate the Flex for its ample passenger and cargo space, comfortable ride, and unique styling. Some common complaints revolve around its fuel economy, some reported reliability issues, and the dated infotainment system in lower trims.

Engine

3.5L Ti-VCT V6

• Water Pump Failure
  • Description/Symptoms: Coolant leaks from the front of the engine, overheating, low coolant level warning light.
  • Solution: Replace the water pump.
  • Estimated Cost to Fix: $600 - $900+
  • Recalls: None Found
• Throttle Body Issues
  • Description/Symptoms: Rough idling, stalling, reduced power, check engine light.
  • Solution: Clean or replace the throttle body.
  • Estimated Cost to Fix: $150 - $500+
  • Recalls: None Found

3.5L EcoBoost V6

• Turbocharger Failure
  • Description/Symptoms: Loss of power, whistling or whining noise from the engine, excessive oil consumption, check engine light.
  • Solution: Replace the faulty turbocharger(s).
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Coolant leaks from the front of the engine, overheating, low coolant level warning light.
  • Solution: Replace the water pump.
  • Estimated Cost to Fix: $600 - $900+
  • Recalls: None Found
• Spark Plug Degradation and Misfires
  • Description/Symptoms: Rough idling, especially under load, hesitation upon acceleration, and the check engine light illuminating
  • Solution: Replacement of the spark plugs. Often, using updated, high-quality spark plugs and ensuring correct gapping can help prevent recurrence.
  • Estimated Cost to Fix: $200-$400+
  • Recalls: None Found

Transmission

6-Speed Automatic (6F35/6F50)

• Harsh Shifting/Slipping
  • Description/Symptoms: Hesitation or jerking during gear changes, the transmission slipping out of gear.
  • Solution: Transmission fluid flush and filter replacement. If the issue persists, valve body replacement or a full transmission rebuild might be necessary.
  • Estimated Cost to Fix: $200 (flush) - $3,000+ (rebuild)
  • Recalls: None Found

Suspension

• Rear Suspension Sag
  • Description/Symptoms: The rear of the vehicle sits noticeably lower than the front, especially when loaded. Affects ride quality and handling.
  • Solution: Replacement of the rear springs or shocks. In some cases, installing helper springs or air bags might be considered.
  • Estimated Cost to Fix: $400 - $1,000+
  • Recalls: None Found
• 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

• SYNC System Issues
  • Description/Symptoms: Freezing, lagging, Bluetooth connectivity problems, unresponsive touchscreen.
  • Solution: Software update (if available), SYNC module reset, or replacement of the SYNC module.
  • Estimated Cost to Fix: $0 (update) - $800+ (module replacement)
  • Recalls: None Found
• Power Liftgate Malfunction
  • Description/Symptoms: Liftgate not opening or closing properly, beeping sounds, error messages.
  • Solution: Check and replace the liftgate struts, motor, or latch mechanism.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Exterior

• Water Leaks in the Rear Hatch Area
  • Description/Symptoms: Water intrusion into the cargo area or rear passenger floor, dampness, musty odor.
  • Solution: Replacing the weather stripping around the rear hatch, resealing the taillights, or addressing any body seam leaks.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Side Mirror Issues
  • Description/Symptoms: Power mirrors failing to adjust properly, becoming loose, or malfunctioning due to corrosion.
  • Solution: Replacement of the affected side mirror assembly.
  • Estimated Cost to Fix: $200 - $500+ per mirror
  • Recalls: None Found

Interior

• Climate Control Issues
  • Description/Symptoms: Inconsistent temperature, blower motor failure, mode door actuator problems (air only blowing from one vent).
  • Solution: Replacing the blower motor resistor, mode door actuator, or other climate control components.
  • Estimated Cost to Fix: $100 - $600+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Water leaks from the sunroof area, failure to open or close properly, unusual noises.
  • Solution: Cleaning and lubricating the sunroof tracks and seals, or replacing the sunroof motor or assembly.
  • Estimated Cost to Fix: $100 - $800+
  • Recalls: None Found

Summary

The 2016 Ford Flex, while appreciated for its space and unique design, can present owners with several potential issues. Engine problems such as water pump failure and turbocharger issues (EcoBoost) can be costly, while transmission problems can also be significant. Electrical and interior issues, while less severe, can still be annoying. The severity of these issues ranges from minor inconveniences to potentially expensive repairs, making a thorough inspection and maintenance history review crucial before purchasing a used 2016 Ford Flex. The cost of repairs can vary greatly depending on the specific issue and the mechanic performing the work.