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Subject:Re: Head sealants??
From:Matt Roberds
Date:Fri, 11 May 2007 14:06:17 -0500

> From:    Pascal Giasson <pascal.giasson@GNB.CA>
> Date:    Fri, 11 May 2007 10:42:50 -0400
>
> I found the Permatex Anaerobic Gasket maker #51813 that Ben mentiones
> above but the instructions says to prepare the surface with a gasket
> primer that comes in an aerosol.  Do people use that primer of do you
> just clean the parts well and apply the 51813.

The Permatex technical data sheet for 51813 at
http://www.permatex.com/documents/tds/automotive/51813.pdf
says...

"Surfaces to be sealed should be free of grease, oil and dirt. Use
  Permatex Brake and Parts Cleaner to remove oil. Use Permatex Gasket
  Remover to remove old gaskets."

The material safety data sheet for their brake cleaner at
http://www.permatex.com/documents/msds/01_USA-English/82606.pdf
says it's got tetrachloroethylene, xylene, and ethyl benzene in it,
so other brake cleaners with those ingredients will probably work.

Threadlocker is not quite the same stuff as gasket maker but it's
fairly close.  I have used brake cleaner to clean up threads that I then
used threadlocker on and it seemed to work OK.  You need to wait for the
brake cleaner to dry before you put on the threadlocker or gasket maker.

Matt Roberds