2010 Ford Flex engine problems

“While driving at 65mph, vehicle started to accelerate funny and cel came on. was getting on the freeway and the vehicle overheated and CEL light came on. I was able to safely pull over before the vehicle died. Got vehicle towed to my home and when engine oil was checked, it was discovered that there was coolant in the oil. Took to a local shop where it was determined that the water pump had failed and dumped all of the coolant into the oil pan. Estimated cost of repair with labor is $5,000. Failure mileage was ~192,000. The oil was in good standing and gold in color 12 hours prior and was only driven ~45 miles at highway speeds before the failure happened. From what I can tell, this was a catastrophic failure of the water pump bearing seal that happened almost instantaneously. This needs to be looked into, as the repair bill does not match the issue. A water pump repair should not cost more than the vehicle.”

“My 2010 Ford Flex began inadvertently surging forward in acceleration without me making it do this exactly 3 months after I purchased the vehicle. The Ford Dealer was unable to re-produce the problem on several occasions and said my vehicle was fine. No error messages reported in the computer. This has continued to happen sporadically since ownership. I have had another Ford Dealership (as well as an independent mechanic) try and reproduce and diagnose the problem with no luck. Several weeks ago I was driving my vehicle in my residential neighborhood when all of a sudden my car surged forward with great acceleration with no warning. I had to swerve into a driveway and cut the vehicle off to get the vehicle under control. I am 82 and have a heart condition. This safety issue is critical as someone could get hurt or killed. Ford has several complaints of this happening with several models. I believe it is a Ford design flaw in the vehicles electronic throttle system. Ford Corporate was put on notice of these events after the latest safety event. Please, I urge the NHTSA to issue a recall before lives are lost. I can no longer drive this vehicle as I am concerned…”

“TL* THE CONTACT OWNS A 2010 FORD FLEX. THE CONTACT STATED WHILE STOPPED AT A STOP SIGN THE VEHICLE BECAME INOPERABLE. THE VEHICLE WAS TOWED TO THE RESIDENCE. THE CONTACT STATED THE WATER PUMP FAILED WHICH FLOODED THE ENGINE. THE VEHICLE WAS TAKEN TO PLANET FORD LOCATED AT (20403 I-45, SPRING, TX 77388 281-719-3700) AND THE CONTACT WAS INFORMED THAT A DIAGNOSTIC TEST COULD NOT BE SCHEDULED FOR 6-8 WEEKS. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE MANUFACTURER STATED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 192,000.”

“2010 FORD FLEX WITH DURATEC 3.5L ENGINE - SUDDEN WATER PUMP FAILURE CAUSES COOLANT TO FLOOD THE ENGINE, WHICH CAN CAUSE THE ENGINE TO OVERHEAT AND CUT OFF WHILE DRIVING, WITHOUT WARNING. THIS HAPPENED TO ME WHILE DRIVING TO WORK. LUCKILY I WAS ABLE TO PULL OFF THE ROAD SAFELY. THERE ARE MANY OTHERS WITH THIS ENGINE WHO HAVE HAD THIS PROBLEM, BECAUSE THE WATER PUMP IS INSIDE THE ENGINE-- SEE E.G. HTTP://WWW.CARPROBLEMZOO.COM/FORD/FLEX/WATER-PUMP-PROBLEMS.PHP AND HTTPS://WWW.KTMC.COM/FORD-LINCOLN-WATER-PUMP-ENGINE-FAILURE .”

“WE HAVE REPLACED THE TURBOS IN OR FORD FLEX ECOBOOST 5 TIMES WITHIN 2.5 YEARS!! THE FRONT AND REAR TURBOS BOTH JUST WENT AGAIN WITHIN ONE MONTH OF EACH OTHER!! WE WERE FINALLY TOLD BY A LINCOLN MECHANIC THE ISSUE IS A BAD/FAULTY OIL SEPERATOR MADE BY FORD. IT IS PUSHING TOO MUCH OIL INTO THE TURBOS CAUSING THEM TO LITERALLY BLOW UP!! SMOKE EVERYWHERE AND CAR IS UNDRIVABLE. I HAVE SMALL CHILDREN AND THIS IS COMPLETELY UNSAFE AND DANGEROUS!!”

“TL* THE CONTACT OWNS A 2010 FORD FLEX. WHILE DRIVING 30 MPH, THE CONTACT HEARD A POPPING NOISE COMING FROM THE VEHICLE AND THE AIR CONDITIONING BEGAN TO BLOW OUT HOT AIR. THE CONTACT ALSO NOTICED THAT THE VEHICLE BEGAN TO LOSE POWER, OVERHEAT, AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT DROVE TO KEN GARFF WEST VALLEY FORD (4091 W 3500 S, WEST VALLEY CITY, UT 84120, 801- 559-0314) WHERE IT WAS DIAGNOSED THAT THE WATER PUMP FAILED AND CAUSED THE VEHICLE TO OVERHEAT. THE CONTACT STATED THAT THE ENTIRE ENGINE WAS RUINED DUE TO THE FAILURE AND WAS INFORMED THAT AN ENGINE REPLACEMENT WOULD COST APPROXIMATELY $8,000. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 178,000. THE VIN WAS UNKNOWN.”