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Ford Flex Transmission Problems

408 TrueDelta members own a 2000 or newer Ford Flex. 43 of these members (10.5%) have reported transmission repairs for their car. A total of 51 transmission repairs to Ford Flexes--an average of 0.1 per vehicle--have been reported.

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Ford Flex problems occur, check out our car reliability stats.

Percentage of Ford Flex repairs by problem area

Chart based on 641 repairs.

Ford Flex transmission repair cost distribution

Chart based on 14 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten Ford Flex repair histories. Log in or join us to see them all.

2010 Ford Flex 4dr SUV

turbocharged 355hp 3.5L V6 6-speed shiftable automatic AWD

12000 mi   The continuing problem of the transmission is apparently resolved with most of the transmission being replaced. 
15000   fluid leak in right front AWD mechanism 

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2010 Ford Flex 4dr SUV

262-horsepower 3.5L V6 6-speed automatic FWD

14000 mi   Transmission appears to slip intermittently when turning..Dealer could not replicate 
2000   Took in for recall of trans lines, replaced. One of the new trans lines broke at a seam leaving Flex not moving and spilling trans fluid. 

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2010 Ford Flex 4dr SUV

262-horsepower 3.5L V6 6-speed automatic AWD

6820 mi   The Flex had a hesitation and slam at about 60 km/h. This has been a very intermittent problem but previously it was minor. However, a severe slam happened. It's a known problem and Ford has a service advisory. The valve body was replaced. 
32240   Transfer case / PTU seal was leaking. Seals replaced under warranty. Noticable improvement in transmission smoothness after repair. 

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2009 Ford Flex 4dr SUV

262-horsepower 3.5L V6 6-speed automatic FWD

49000 mi US $100 Abrupt engagement of gears. Could not be replicated and has not reocurred. 

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2009 Ford Flex 4dr SUV

262-horsepower 3.5L V6 6-speed automatic AWD

13020 mi   hard shift from first to second. reflash. 
28740 C $86 Leaking seal on PTU fixed under TSB 
13000   Drive train made a horrible metallic snap noise upon first acceleration from park. Dealer found nothing wrong. 
3100   Power Transfer Unit (PTU) for AWD system has a known seal leak. Transmission fluid leaks onto hot exhaust manifold and smelly smoke permeates cabin when vehicle comes to a stop. First attempt to repair leak was not successful, despite a TSB. 
5580   Second attempt to repair leaking seal in PTU. No problems after this fix...no gear oil leaking onto exhaust manifold ergo no nasty smell anymore! 
36580   axle seal leak 

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