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[oletrucks] Re: oletrucks-front seal

To: oletrucks@autox.team.net
Subject: [oletrucks] Re: oletrucks-front seal
From: Advdesign1@aol.com
Date: Fri, 18 May 2001 06:35:39 EDT
Pastor John,
There are lots of possibilities for front engine oil leaks, but MOST PROBABLE
 is the harmonic balancer seal.  This can be replaced without removing the 
camshaft.  If you are careful you can replace this seal without removing the 
timing cover.  Pull radiator and harmonic balancer with a puller.  If seal 
surface is deeply scored install repair sleeve.  Seal will be hard and 
brittle so pry out and replace.  This is the same seal as small blocks, same 
part number from 1937 to at least 1980s.  Other gaskets are not sealing 
moving parts, so unless you tampered with them recently, they are not 
leaking.  Don't go looking for extra work.
Bob ADler

>  there are several places from which the oil may be
>  escaping.  (1) The pan gasket, (2) the front main seal (after you pull the
>  harmonic balancer check to see if the shaft on the back side is grooved
>  from the seal rubbing on it for so long.  It may need to be sleeved), (3)
>  the front motor mount seal, or (4) the timing gear cover seal.  To replace
>  all of these gaskets you have to remove the camshaft to remove the front
>  motor mount. 
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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