[T3] One cylinder dead-not firing-#3
Dave Hall
dave at hallvw.clara.co.uk
Tue Jan 21 15:43:07 PST 2014
You should be able to turn over the engine by hand or with a wrench and
check that there's no compression on that cylinder. You might even hear a
hissing as it goes through that compression stroke. I wouldn't expect a
mechanic finding zero compression wouldn't re-check the tester and its seal.
It might be worth pulling that rocker cover and seeing if one of #3 valves
is being held open somehow - something might be obviously wrong.
Dave
UK VW Type 3&4 Club
===================
-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of John L.
Morgan IV
Sent: 21 January 2014 23:35
To: type3 at vwtype3.org
Subject: Re: [T3] One cylinder dead-not firing-#3
Sometimes, I think it would be cheaper to fly Jim Adney out to Richmond and
fix my car once and for all...the right way!
On Tue, Jan 21, 2014 at 6:00 PM, Jim Adney <jadney at vwtype3.org> wrote:
> On 21 Jan 2014 at 16:31, John L. Morgan IV wrote:
>
> > valve three has 0 compression after a compression test. estimate was
> > $1200 for a valve job, but not recommended on an old engine. could
> > it be getting 0 compression if a simple injector cable is bad?
>
> Nothing FI related will make the compression go to zero.
>
> It would be really unusual to be getting ZERO compression. There's
> usually something there. And $1200 for a valve job sounds extreme. Is
> this from the same mechanic that you took it to before?
>
> I'd get a second estimate.
>
> How willing and able are you to do some of the work yourself? If the
> compression is truly zero, the left head must be destroyed. You should
> be able to buy a new head, complete, for 1/4 of that price and put it
> in yourself, but that's a fair amount of work if you've never done any
> of this before. If you've got head studs pulling out of the case, then
> you're in for a complete engine rebuild to fix this.
>
> If you shop for a new head (or a good used one) make sure you get one
> with the threaded boss for the temp sensor.
>
> If the guy just didn't get the compression gauge in there correctly,
> which can happen, especially on #3, then the real news could be much
> better.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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