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echo: automotive
to: TOM WALKER
from: Roy Witt
date: 2011-11-05 13:03:24
subject: Value tap / cam noise

04 Nov 11 10:06, TOM WALKER wrote to ROY WITT:


 RW>> What you have is a leaky lifter. If it sits for a while, the oil
 RW>> drains out of the lifter, probably due to the valve spring pressure.
 RW>> It shouldn't do that, but sometimes they do. If that 30 sec noise
 RW>> doesn't bother you, don't worry about it.

 TW> If you let the enging Idle until the noise stops it is really a don't
 TW> worry situation..

Until such time as the lifter leak down gets even worse than it is now.
But you're right, if the noise goes away as you let the engine warm up,
that's a good thing.


                R\%/itt


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