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Differential Seals

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When installing shafts, do not allow splines to contact seals during installation or damage to the seals may occur.

Axle shaft housing seals are susceptible to the same types of damage as drive pinion seals if incorrectly installed. The seal bore must be clean and the lip handled carefully to avoid cutting or tearing it. The seal journal surface must be free of nicks, gouges and rough surface texture.

For information on differential seals, refer to REAR DRIVE AXLE/DIFFERENTIAL - FORD 7.5-INCH RING GEAR article or REAR DRIVE AXLE/DIFFERENTIAL - FORD 8.8-INCH RING GEAR article.