[urq] Leaky Proportioning Valve

[Ingo Rautenberg]

Eric,

Sorry, I don't think so.  Can't check the Family Album right now, though.

----- Original Message ----- 
From: "Eric Renneisen" <racingiron at comcast.net>
To: <urq at audifans.com>
Sent: Tuesday, February 22, 2005 10:05 PM
Subject: [urq] Leaky Proportioning Valve


> OK, a friend of mine had a used S4 G60 caliper and no need to hold any
> really heavy doors open, so I replaced my nasty seized rebuilt one with
> it.  As part of the process, I pressure bled the entire system, starting
> with the MC and proportioning valve, and even the clutch slave (nasty
> stuff came out of there!).
>
> A quick test drive confirmed that the new caliper completely cured the
> vibration under braking.  When I came back to the car a few days later,
> I found a nice puddle of Ate Super Blue and a low reservoir.  The only
> positive from this is that the epoxy floor made cleanup a snap.
>
> The source appears to be the proportioning valve, probably the round
> area next to the canister in the inset picture here:
> http://img.eautopartscatalog.com/live/N306021813ATE.JPG
> Anything to be done about this besides replacing the whole unit?
>
> Eric Renneisen
> '94 S4
> '90 CQ 20V
> '86 urq
> Chattanooga, TN
>
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