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September 1, 2014 Service bulletin

Ford: between front hub lock assembly and front axle shaft seal assembly, a lost of vacuum has occur, due...

Ford technical service bulletin ASI-44715 for 2013-2015 Ford F-450 SD, 2013-2015 Ford F-550 SD and 2013-2015 Ford F-650 SD and others.

Bulletin number
ASI-44715
Component
Power train: axle assembly: axle shaft: seal
Summary
Ford: between front hub lock assembly and front axle shaft seal assembly, a lost of vacuum has occur, due to concerns with front axle hub seal(s) resulting in 4x4 not engaging or unlocking or failing to stay engaged. Model 2013-15 f-super duty 4x4.

Owners of these vehicles have filed 3 complaints in the transmission category.

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