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Old 07-11-2021, 09:15 PM   #14
CWPASADENA
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Join Date: May 2010
Location: PASADENA, CA
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Default Re: FRONT model A ‘modern’ seal use.

Quote:
Originally Posted by duke36 View Post
A smooth unpainted pulley shaft is essential.
It is imperative that the surface of the pulley that the seal rides on is absolutely smooth.
This is especially true when using a new pulley. The fine machining marks on the pulley will ware out the lip of the seal and cause it to fail prematurely.

I polish this surface when I assemble an engine.

Chris W.
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