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International Automotive Technicians Network
Re: Repeat Pinion Seal Leaks- F350
Posted to Technical Discussion Forum on 9/25/2005

Hi Bill,

The Ford seal (4676) is your best bet. I never use anything else unless I have to. Usually a National Seal with triple lip. I fill in-between the lips with Luber-Plate Grease if nothing is not already there.

On thing, if she still leaks, try an ol... Login to read more.