RE: '98 A6 2.8 won't start- mechanics are at a loss...

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <4.2.0.58.19990818022705.009921c0@mail.earthlink.net> "Milan B. Milojevic" writes:

> Currently I have a 96 A6 whose engine is being replaced, under warranty,
> due to excessive carbon build up and crank shaft being out of specs.  All
> this is occurring at 49+K miles (under 50K).  The disassembled engine looks
> like it may have had 150+K miles.  Besides excessive carbon build up, we
> have found that there are no steel shims between the valve springs and the
> aluminum head.  We have been waiting for an engine replacement now for
> three months, if you can belive it.  What I found interesting is that no
> compression tests were performed during any of the services.  The dealer
> technicians are relying on the computer generated codes to detect any
> malfunction.

Sad but probably true.  It's fairly inconvenient to _get_ to the basic
engine these days - there are so many covers in the way.  We used to
file the little blue compression test graphs that came back after
services in Germany.

On the shim subject - Family Pictures 109-32 and 109-15 strongly suggest
that there are no lower spring seats on the 30V engines - the spring
just sits in the head.  Is the base of the spring modified in any way to
spread the load?

On illustration 109-30 clicking on the item number for the lower seat
raises an interesting response.

--
 Phil Payne
 UK Audi quattro Owners Club
 Phone: 0385 302803   Fax: 0870 0883933