[Vwdiesel] Compression Test Results :-(
Bryan K. Walton
bryankwalton at machlink.com
Mon Apr 2 14:56:11 EDT 2007
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
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