[Vwdiesel] Compression Test Results :-(

[Bryan K. Walton]

Thanks for the reply Loren.  I'm going to check my valve clearances --
just because it needs to be done.  If my compression improves -- even
slightly, then that will be an added bonus.

Thanks,
Bryan

On Sat, Mar 31, 2007 at 01:43:18AM -0400, LBaird119 at aol.com wrote:
> In a message dated 3/30/2007 5:51:46 PM Pacific Daylight Time, 
> mikitka at earthlink.net writes:
> 
> > I've read that a low reading can be because of valve leakage.  What
> > causes valve leakage?  Would adjusting my valves fix that?  I've not
> > looked into that yet.
> > 
> 
>   It doesn't take much of a leak to lose compression during 
> a static compression test, on a diesel anyway.  It's probably 
> not the valves (usualy not anyway) but it IS possible.  Using 
> a tablespoon of oil is plenty to seal up ANYTHING in there 
> that doesn't leak profusely.  It realyl blows around!  You're 
> also lucky it didn't ignite and try to start!
>  I'd sure check the valve clearances.  It only takes 15 to 20 
> minutes to do a quick check for anything way tight.  If you're 
> lucky nothing "burned" (set to .002" looser than setting spec) 
> and they'll settle in and seal up.  Certainly worth a shot before 
> pulling it down and ringing it.
>      Loren