One problem related to noises during shifting has been reported for the 2017 Ford Flex. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Ford Flex based on all problems reported for the 2017 Flex.
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.