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hessel hessel is offline
Registered User
Join Date: Feb 2005
Location: netherlands
Posts: 38
closing chain housing, sealant or not????


I'm in the fase that i'm closing the chain tensioner housings.

In Wayne's book he states that all that's used is a gasket between the covers & housing.

On a lot of 911's I saw that an additional sealant was used. (574 or some silicone based sealant). Is this a proven procedure to assure a leak free engine? Is the gasket alone not enough?

If so, what's the best product to use? 574, Dirko or Curil T?

Thanks Hessel
Old 06-09-2005, 01:42 PM
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