[s-cars] 0 compression in 4/5! was-HELP! 4 cylinders just isn't enough....

[Theodore Chen]

mark,

he's got zero compression in two adjacent cylinders.  that means he'd
have to chip or bend valves in both cylinders (or some other event).

i think it's more likely to be a blown head gasket between 4 and 5, as
that is a single event that would account for zero compression in both
cylinders, instead of two events.

-teddy

--- Mark Strangways <strangconst at rogers.com> wrote:
> Chipped or bent valve also.
> I don't ever recall seeing a bad ring give 0 PSI.
> There should be something unless all 3 rings are broken and missing.
>
> A leakdown test will prove this .
>
> Mark
> ----- Original Message -----
> From: "Charlie Smith" <charlie at elektro.cmhnet.org>
> To: "brian bilotti" <vinnieb2 at yahoo.com>
> Cc: "Audi S Car List" <s-car-list at audifans.com>; "Charlie Smith"
> <charlie at elektro.cmhnet.org>
> Sent: Monday, April 14, 2003 2:37 PM
> Subject: Re: [s-cars] 0 compression in 4/5! was-HELP! 4 cylinders just isn't
> enough....
>
>
> > Earlier, brian bilotti wrote:
> > >
> > > Thanks to all on the diagnosis. Just had Edwin in the
> > > shop this am. Sorry to say that the issue was/is 0
> > > compression in 4 and 5 and 150 in the others. Looks
> > > like new pistons/rings, bearings,blah, blah. I think
> > > I'm go throw up now......
> >
> > Might be a blown head gasket between cylinders 4 & 5.  ????
> >
> >     - Charlie
> >
> >
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