Transmission (Red) or Power Transfer Unit (PTU) (Brown) Fluid Leaks at Axle Area on Ford Flex

A leaking axle shaft seal and / or PTU cover seal can cause transmission (red) or Power Transfer Unit (PTU) (brown) fluid leaks at the axle area. The axle shaft seal and / or PTU cover seal may be leaking and should be replaced as required.

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Average mileage: 72,933 (35,800–122,500)
Drive Trains affected: 2WD, 4WD, AWD, FWD
3 model years affected: 2009, 2010, 2011
17 people reported this problem
8 people shared problem details
2010 Ford Flex- 2WD88,000
Right front trans axel leak
1 person likes thisFlag inappropiate
2011 Ford Flex- AWD78,000
PTO started leaking out of the vent, notcied some drops on the floor. Had the fluid changed, but unfortunately is too late. Time for a new PTO. Recommend changing fluid every 25k or so.
2011 Ford Flex- AWD110,000
Had the seal replace less than a year ago. It's leaking again, and now the dealer says the seals are fine; but it needs a new PTU to the tune of $1,700.00. Frustrating that such a great car, has such crappy dealer service.
2009 Ford Flex- AWD57,000
Power Transfer Unit Leaked. It seems that either the leak or some other event caused the internal casing to burn up. now the unit has to be replaced at a cost of ~$1400
2010 Ford Flex- AWD74,000
brown fluid drops on garage floor. Dealer said they must R& R PTU and reseal for $820.70 Hoping I can find it done cheaper somewhere else.
2009 Ford Flex- AWD89,000
We are now on our 4th seal and it's now has gone bad. Dealer is saying we need a new PTU ... for a seal issue?
2009 Ford Flex- AWD58,095
This is the second leak in 5000 miles (June 2012).
2009 Ford Flex- 4WD35,800
Transmission fluid leaked at first. ( Drive shaft seals bad) Now have leak in rear differential.
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