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Old 01-22-2012, 03:34 PM   #33
ubii
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Join Date: Jul 2010
Location: Missouri
Posts: 44
Quote:
Originally Posted by Paul View Post
Ubii, how's your AOS? These seals can be popped by excessive crankcase pressure.

Paul,

Those camshaft seals were recently replaced, because I had the engine tore apart to replace some chewed up chain tensioner paddles (see photo below). The car was in the shop at the time getting an IMSR, RMS, and new clutch. They did look at the AOS while it was in the shop and replaced the vent line and bellows, but felt that the AOS itself was ok. Either that seal was not pressed in all the way or the mechanic may have got a bit excessive with the sealant on the camshaft cover and some might be clogging up the oil return. I called the shop, who suggested that I simply replace the seal for now and if it happens again, they will resolve the issue for free.

-ubii


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1997 Porsche 986
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