[V8] I-5 timing belt

[Steve Buchholz]

Most Audi engines I am familiar with ... including WX & MC turbo I-5s are interference engines.

Steve Buchholz

----- Reply message -----
From: "Seamus O'Carey" <cheshirecatsbox at gmail.com>
Date: Thu, Aug 25, 2011 2:00 am
Subject: [V8] I-5 timing belt
To: "v8" <V8 at audifans.com>

I'm surprised a turbo car would have damage. Aren't they usually low
compression to allow for forced induction? My Corrado G60 had 8.1:1
compression and I could turn the motor without a timing belt installed all
day long without causing damage.

Seamus

On Wed, Aug 24, 2011 at 10:16 PM, urq <urq at pacbell.net> wrote:

> I would not recommend driving an I-5T equipped car around without having
> the
> timing belt covered.
>
> Many years ago I changed the timing belt on my 5kCSQA ... shortly
> thereafter
> I was driving the car around town and all of a sudden the engine dies and
> all the dash lights up.  I heard an odd noise when I cranked the starter
> and
> suspected that I had lost the timing belt.
>
> To minimize the chances that the timing belt will jump a tooth on the crank
> pulley the oil pump housing casting deliberately minimizes the belt
> clearance.  What happened in my case was that a small sharp paving stone
> must have fallen into that gap when I had it open.  After I closed it up
> that stone wore a groove in the belt, and once it wore through the belt
> ripped apart.
>
> I know that my experience was a rare one, but if you leave the cover off it
> makes it more likely to happen.
>
> Steve Buchholz
>
>
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