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

Grant Lenahan glenahan at vfemail.net
Fri Sep 18 11:50:51 PDT 2009


plausible.

On Sep 18, 2009, at 2:47 PM, Joshua Van Tol wrote:

> To elaborate a bit, I've actually run into this before. The lifters  
> can
> bleed down from sitting for so long, and the result will be little  
> or no
> compression, and then lots of lifter clatter when it finally starts.
>
> On Fri, Sep 18, 2009 at 1:40 PM, Joshua Van Tol <josh at spiny.com>  
> wrote:
>
>> 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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>>>
>>
>>
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Grant Lenahan
glenahan at vfemail.net
(201) 602-4702 mobile






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