Help please: MC and bleed problems

[txrocco@sbcglobal.net (ATS - Patrick Bureau)]

when I changed my MC to the Corrado MC I did a procedure, here is the link
you can clearly see in the procedure where the MC proportioning valves are
located on it

<http://www.longcoeur.com/scirocco/Technotes/g60mc/index.html>


ATS - Patrick Bureau - txrocco@sbcglobal.net


=>-----Original Message-----
=>From: scirocco-l-admin@scirocco.org
=>[mailto:scirocco-l-admin@scirocco.org]On Behalf Of Euroroc II
=>Sent: Monday, January 27, 2003 12:51 AM
=>To: Tobias ><; scirocco-l@scirocco.org
=>Subject: Re: Help please: MC and bleed problems
=>
=>
=>If this is on you 16V (I assume) then the MC has 4 spigots on
=>it... One set
=>goes to the right front and left rear and the other to the left front and
=>right rear, dual diagonal blah, blah, blah. The two lines going
=>to the back
=>should have proportioning valves, one for each.
=>
=>Where is the fluid going? I don't know. Pull the MC off and look to see
=>that it's not leaking into the booster, never seen that happen but it's a
=>thought. If all is ok in there fill and bleed again always
=>starting at the
=>farthest rear wheel from the MC and working your way to the front closest.
=>
=>I can't offer any more help at this point but I can give you this advise,
=>don't listen to your parents!
=>
=>-Raffi-
=>
=>At 12:13 AM 1/26/03 +0000, Tobias >< wrote:
=>
=>
=>>Symptoms: brakes have been dead 3 weeks. The other day while checking on
=>>the oil I saw that the brakefluid reservoir was empty. I filled it
=>>figuring that would help. It did very little to improve the brakes:
=>>
=>>Result: I buy a G60 MC and booster, pressure bleeder, fluid
=>>
=>>Attempt: today I try to replace the MC, booster, and bleed the brakes.
=>>
=>>Problems: how the hell do you get to those nuts on the booster without
=>>crawling under the car? (I ditched that idea for now)
=>>
=>>I disconnected everything but the battery like it says in the Bentley
=>>(there's no check valve on the booster like it says in
=>there!?!?, only the
=>>vacuum hose) to get to the MC.
=>>
=>>No syringe, so I decide to open up the valve on the driver side front to
=>>bleed the reservoir dry so I can take it off. Only, the only fluid that
=>>came out was from the threads on the valve, and from the bottom of the
=>>proportioning valve. Hardly a few drops actually came out of the
=>valve. I
=>>increase the pressure in the bleeder .. no luck, just more fluid leaking
=>>out the bottom of the proportioning valve.
=>>
=>>I put everything back since I have questions now .. leave Jeff's place,
=>>but now the brakes are firm, even after several times of usuage.
=>>
=>>QUESTIONS:
=>>1. Why did nothing come out of the valve when I opened it?
=>>2. When you buy a MC, does it come with a new proportioning
=>valve? Is this
=>>a possible place for leaks (seems to be where I lost all the fluid)
=>>3. There is only one proportioning valve correct?
=>>4. Why are my brakes firm now - did I force enough brake fluid
=>into the MC
=>>to get it to work again?
=>>5. What the hell else am I doing wrong? The Bentley is rather
=>curt on the
=>>subject. And how far do you open the valve on the caliper?
=>>
=>>The Bentley says you need a 8mm box wrench for the valve, but I
=>had to use
=>>a 7mm. Wrong in the book or wrong on the car?
=>>
=>>I don't like these miracle fixes (knowing my luck the brakes
=>will be mush
=>>again the next time I step in the car.. I'd still like to
=>replace all the
=>>parts, but I need some clarification on the top issues before I
=>jump in again.
=>>
=>>Thanks!!
=>>T
=>>even my parents are telling me to buy a Honda now! :-(
=>>
=>>_________________________________________________________________
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=>>
=>>
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=>
=>
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