[s-cars] Fix for that annoying UrS "brake" warning light on start-up

Paul Heneghan paul at heneghan.co.uk
Wed Sep 11 01:42:48 EDT 2002


> From: "Fred Munro" <munrof at sympatico.ca>
> Date: Mon, 9 Sep 2002 22:37:09 -0400

> I had a couple of minor annoyances on my '94 S4.

> One was the red "brake" warning light coming on in the morning for 20
> seconds or so after the car sat overnight. This is a common problem with
the
> UrS cars and indicates the bomb has bled off pressure overnight.

> I drained & replaced the Pentosin and cleaned the reservoir strainer. As a
> point of interest, I got 48 pumps out of my 9 year old bomb.

> I'll put together a flush "how-to" with a couple of photos if anyone is
> interested.

I'd be VERY interested, Fred.  I get the occasional red warning light after
the car has sat for a couple of days.  I presumed it was a bad bomb and
they're quite pricey (GBP150 for my old 100 Avant - probably far more for
the S6).  A flush is certainly worth a try.

Paul
1995 UK-spec S6 Avant




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