My Audi Is Going Down.

[auditude at neta.com]

On 15 Oct 00, at 11:17, quk at isham-research.freeserve.co.uk wrote:
> >
> >    I ran over and shut it off. about half of the antifreeze had sprayed
> > out of the reservoir lid where it seals.  so i put some water in it to
> > fill it back up.  i was driving it home (driving it easy as possible)
> > and it does this again about 4 blocks later.  I don't think the radiator
> > fan was clicking on but i didn't take much notice.
> 
> In my experience, once an old radiator cap has opened once in its
> "safety valve" mode, it won't seal again.  We now routinely replace the
> radiator cap every time we do a timing belt swap.

That makes perfect sense.  I had to replace my cap after it 
overheated do to a failed/fried fan relay.

It seemed like I had some kind of a chronic overheating problem, 
until I replaced the cap.  It has, until now mysteriously, not had the 
overheating (which was really probably overflowing) problem.

But then again, it's cooled off a bit since then (weather-wise).

Ken