Audi Won't Fix A4 Engine Noise

[Stephen Kormilo]

At 23:55 30/10/01 -0500, Elliott wrote:

>From: "Elliott Potter" <epotter at atlnet.com>
>To: Stephen Kormilo <stephen at kormilo.ca>, quattro at audifans.com
>Subject: Re: Audi Won't Fix A4 Engine Noise
>Date: 30 Oct 2001 22:06:39 EST
>Reply-To: "Elliott Potter" <epotter at atlnet.com>
>
>
>On Tue, 30 Oct 2001 10:56:22 -0600, Stephen Kormilo wrote:
>
> > Help!!!  I have posted about this in the past, but 'crunch' time has
> >  arrived :-(
> >
> >  For nearly two years now, the 2.8 l, 30 valve V6 engine in my 1998.5 Audi
> >  A4 with 41,000 km has been making a loud 'rattling' or 'knocking'
> sound for
> >  a second or two when starting the engine 'cold'.
> > [snip]
>
>I don't know how this works in the 30v engine, but in the 12v V6, there
>are two
>oil check valves at the top of the engine, under the valley pan, that are
>supposed to keep enough oil sitting at the top of the engine for  when it is
>started ... one of the symptoms of failed check valves is lifter noise at
>startup.
>Does the 30v engine have the same valves?  If so, could it be that those are
>bad?

I don't know whether the 30V engine has the same valves or not, but
probably yes.  The mechanic is pretty sure that the noise is not lifter
noise, and my recordings seem to confirm this.




Stephen Kormilo
Instructor, Electronics Technology
Red River College
Winnipeg, MB
CANADA

email: skormilo at rrc.mb.ca
OR
           stephen at kormilo.ca