Power steering . . .UPDATE & Question

[Kneale Brownson]

At 04:06 PM 01/12/2003 +0100, Helge Wunderlich wrote:


> >>Try turning the
> >>steering all the way over to one side and then hold it against the end
> >>stop with some force. You'll hear the sound of the hydraulic oil
> >>rushing through the overpressure valve.


On Thu, 09 Jan 2003 20:04:14 -0500, Kneale Brownson wrote:

> >That's probably the best way to blow the seals in the power steering
> >rack.  You NEVER want to hold an Audi  steering rack against a stop for ANY
> >length of time.
>
>I understand your point. When something is broken, treat it with silk
>gloves, and maybe you can postpone the repair a few more months. You
>might argue that the ZF/Audi design is so bad that it was "broken"
>before it left the factory, and I'd still understand what you mean.
>
>On the other hand, the rack *should* be able to handle this treatment.
>In fact, that overpressure valve is there to avoid damage in this kind
>of situation.
>
>The Haynes manual actually describes this procedure as part of regular
>maintenance when looking for hydraulic leaks.

I thought the "factory" repair guide was the Bentley.  The only
lock-to-lock I've read in the Bently refers to quick movement of the rack
parts to bleed air out of the system after services on the pump or hoses or
the rack itself.