[s-cars] High pressure hydraulic line

[Mark Strangways]

Battery was drained, and afterrun coolant pump is seeping for me here.

Mark S
----- Original Message ----- 
From: "Fred Munro" <munrof at sympatico.ca>
To: "Igor Kessel" <igor at s-cars.org>; "Audi S-list" <s-car-list at audifans.com>
Sent: Sunday, January 11, 2004 8:34 AM
Subject: RE: [s-cars] High pressure hydraulic line


> Igor;
>
> >From what I recall of previous posts on this subject, leaving the
restrictor
> out results in groaning and pulsation in the power steering hydraulics. I
> also recall one poster that postulated the thin-walled OEM hose and foam
> cover also dampens noise based on his experience with a thick-walled
> hydraulic hose rebuild that included the restrictor and still resulted in
> noise.
>
> It's your call - let us know how whatever you do works out, I'm sure this
is
> coming up for all of us.
>
> My block heater just quit yesterday, my rad started leaking at the right
> head tank seal, and it's been -30 for the last week - sigh...
>
> Fred Munro
> '94 S4
>
>
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]On Behalf Of Igor Kessel
> Sent: January 10, 2004 11:20 PM
> To: Audi S-list
> Subject: [s-cars] High pressure hydraulic line
>
>
> Folks,
> the High pressure hydraulic line 4A0-612-065 from the P/S pump to the
> bomb is weeping. Also, the light stays on for a long time after the
> startup,  and the sys looses pressure rather quickly after I turn the
> ignition off. The bomb is good (~35 pumps).
>
> Here's what I found in the archives:
> --
> From:  MLBess at a...
> Date:  Tue Oct 31, 2000  10:12 pm
> Subject:  Re: [s-cars] High pressure hydraulic line replacement
>
> The
> service foreman ultimately performed some tweak on my system such that the
> light extinguishes immediately. He stated he removed some restrictor in
the
> hydraulic system. Supposedly there is a restrictor orifice that is used to
> reduce the pulsing in the system. Again I cannot separate fact from
fiction.
> Alll I know now is that the light does extinguish immediately upon engine
> start.
>
> Mike Bess
> --
>
> So, what's the consensus: to rebuild it at a local hydraulic shop? Or to
> open it up, remove the restrictor and reseal with the new Viton O-rings?
> Or to bite the bullet and buy a new hose from the dealer for ca. $280?
>
> --
> Igor Kessel
> two turbo quattros
>
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