Motor won't start after Timing Belt & Cam Adjuster gasket replacement (2.8 30v)

Joshua Van Tol josh at spiny.com
Fri Sep 18 11:40:40 PDT 2009


Compression test maybe?

On Fri, Sep 18, 2009 at 1:10 PM, <MXHOWES at aol.com> wrote:

> I still own a 4000Q so maybe I can post here with the problem I have on my
> '98 A4 Avant. (I will never, never,ever again complain about having to do a
>  timing belt on a 5 cyl).(air filter, yes, but timing belt, no)
>
> I did a timing belt and valve cover gasket kit replacement on my 2.8 30v.
> Put everything back together, except for the front end which is still up on
> stands and the nose is in service position. I hit the starter, it cranks,
> immediately fires on one or two cylinders then goes back to cranking with
> no
>  firing cylinders. Vagcom shows no engine fault codes.
>
> So here's what I have done and observed:
> Timing belt and cams were aligned with the use of the crank locking pin and
>  cam bar. All timing marks are now spot on. (this was the second try on
> the intake cam bank 2. I missed it by 1 link the first time, with the same
>  no
> start results but tore it all apart again. Seems like most engines will run
>  (poorly) one link off but mine wouldn't start so I first thing I did was
> get the cams right).
>
> The car was running perfect and I was nursing a small water pump leak
> which slowly became worse so I parked it in the garage. About 3 months
>  later I
> finally had the time, tools and parts to do the complete job.
> It has 3/4 tank of fuel.
> 100% charge on a good battery.
> My spark plugs (with only 5K on them) looked wet with fuel after several
> attempts to start so I swapped back to my old plugs which I had  saved and
> had the same no start results.
>
> It seems like it is getting fuel (wet plugs) and a inline spark detector
> showed spark (I just checked one plug), Using the crank locking pin  and
> cam
> bar, exhaust valve timing has to be correct and intake is observed as
> correct.
>  Where do I start analyzing my 'no start'  problem?
>
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