[urq] Brake servo leakage

Jim Haseltine jim_haseltine at ntlworld.com
Sun Dec 28 17:13:27 EST 2003


Although it's not listed for early cars, there is a seal #357 611 243 used
on other models such as the A200 too. Doubt that it's the seal that's
failed - it will be either the MC or the servo.

Regards,

Jim Haseltine

----- Original Message ----- 
From: <n-engelbert at terrans.net>
To: <urq at audifans.com>
Sent: Sunday, December 28, 2003 3:17 AM
Subject: [urq] Brake servo leakage


> So, priscilla's brake servo is leaking, bad, steering groaning a day after
> refilling the reservoir bad, big puddle on garage floor after 24 hours
> bad, which seems to be the failure mode of the part from what I've read.
> Also from what I've read about these, they're made of an isotope of near
> unobtanium.  The leak is coming from the front of the servo where it mates
> to the MC.  The seal between the two looks to just be metal on metal?  Is
> there a gasket in there that I'm not seeing either on the car or in the
> family album?  Part number?  Do they all fail there?  Is it safe to make a
> gasket for this connection as I assume it sees bomb pressures?  Does sport
> wheels out in colorado still rebuild these?  Should fluid be against the
> connection between the BS and MC or is the BS leaking from an inside seal
> that should allow no fluid to contact the MC?  Good source on a new one,
> from searching I see Pete Reeve at the Quattro Corner, others?
>
> Help!
>
> Nathan Engelbert
> 83 UrQ 900453
>
>
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