One problem related to wiper has been reported for the 2015 Ford Flex. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Ford Flex based on all problems reported for the 2015 Flex.
The rear window washer hose has blown apart three times. Once last winter so I could not remove slush to see out rear window. Twice this year, at the connection to rear hose. New hose installed at Ford dealer month or so ago. Since then hose blew apart at fire wall. I pushed connection back into firewall. Saterday 7-29-17 car was in for oil change I asked if they could look at hose. They could not,said to schedule an appointment. 8-1-17 front window hose blew apart. I could not clean bugs from window. Will schedule third repair appointment tomorrow. I was driving on expressway for all rear hose problems. 45 mph city street with front hose problem.