Front Calipers Stuck

[David Michael]

Hi Nathan

I'll put a gallon of water in the car tomorrow. But the consensus is
defiantly the MC. Unfortunately its no longer $100...more like $260 at the
places I checked online. One more thing to fix......

Dave

On Tue, Dec 15, 2009 at 3:08 PM, Nathan Engelbert
<n-engelbert at terrans.net>wrote:

> Dave,
>
> Rather than opening a bleed screw at home or work (which would require
> rebleeding the brakes afterward), please try the cold water on the MC
> trick first.
>
> Nathan Engelbert
> 83 UrQ DA900453
> 95 S6 avant
>
>
> Message: 4
> Date: Tue, 15 Dec 2009 13:57:31 -0500
> From: David Michael <adavidmichael at gmail.com>
> Subject: RE: BOTH front calipers stuck ? - follow up
> To: Quattro List <quattro at audifans.com>
> Cc: Ben Swann <benswann at verizon.net>, urq at pacbell.net,        Tony Hoffman
>        <auditony at gmail.com>
> Message-ID:
>        <a8fd8d050912151057t38d572cexd3f7a981a52c198f at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Thank you to all those who have responded - the posts were all very
> helpful.
>
> I am leaning towards the MC, even though I have not done a lot of
> diagnosis.
> But this is what I have done:
>
> 1. When everything is cold, the brake calipers release just fine - I can
> press and release the brake pedal, and the front wheels will spin
> 3. I made it home yesterday with no problem - or at least no smoke
> 4. This morning, the calipers started to stick just before I arrived at
> work
> (25 minutes), based on my finely calibrated  "how well does the car coast"
> gauge.
>
> I need to crack the bleed screw at a caliper when they stick, but its yucky
> on the ground now, and its dark when I get home. Is the bleed screw at the
> MC the same pressure as the calipers - that would be easy to check ;-)?
>
> Thank you all again!
>
> Dave
> 90 200 QA 230k
> 98 M3/4 101k
> 02 MCS 40k
>
>
>