Ford Flex owners have reported 105 power train related problems since 1996. Table 1 shows the 15 most common power train problems. The number one most common problem is related to the vehicle's power train (75 problems). The second most common problem is related to the vehicle's transmission fluid leaking (5 problems). For details of each of the problem category, use the links in the table.
As with many other 2019 Flex owners, I brought my Ford Flex in for a state inspection and surprise surprise! I have to replace my toe link already! failure after failure. Read details...
I noticed one day when I drove to work and got out of my vehicle it smelled like transmission fluid burning took it to the dealer and they said it is a common problem with the Ford Flex that the trans fluid and coolant were getting mixed together because of the design of the a/c condensor etc. . . . Read details...
The contact owns a 2011 Ford Flex. The contact stated that whenever accelerating to pass another vehicle, fumes would emit into the cabin of the vehicle with the vents closed and the windows open. The contact stated that the failure only occurred when accelerating at a high rate of speed. Read details...
Loss of power, rpm too high for normal shifting up to 6 rpms. Cat converter noise after car shut off due to getting to hot. Fluctuation rpm at idle. Oil on top of valve cover. Read details...
Total motor failure when driving! transmission frequently slips. Motor had to be replaced. When pressure exhaust for ecoboost is redirected to cylinder 3 and 5 the head gasket fails allowing water to enter the head of motor which them steam fries the cylinders. Read details...