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Brake problems in a 16v Conversion (85 Cabriolet)



humm did you bleed the MC BEFORE installing it on the
car?

See my tech note on my web site. you could be simply
ber messing with AIR in the MC.

Patrick -- http://www.longcoeur.com/scirocco

--- "Jeffrey W. Bynum" <audiodyn@otelco.net> wrote:
> When the brakes are bled manually, fluid comes out
> at all 4 corners , just like when the power bleeder
> is used.
> 
> I have had the MC off to check the travel of the
> actuating rod inside the booster, it seems to have
> adequate travel.
> 
> I have also checked the linkage from the pedal to
> the booster, it is fine also.
> 
> Jeff
>   ----- Original Message ----- 
>   From: brian_wagner@sbcglobal.net 
>   To: Jeffrey W. Bynum ; scirocco-l@scirocco.org 
>   Sent: Saturday, January 11, 2003 9:15 PM
>   Subject: Re: Brake problems in a 16v Conversion
> (85 Cabriolet)
> 
> 
>   Jeffery,
> 
>   Two MC's in a row can't be bad, can they?
> 
>   When you pump the brakes manually does any fluid
> come out of the bleeder?
> 
>   If no, I would say take the MC off and look in the
> booster and verify that the stroke rod is there.
> Have some press the pedal slowly and see if it is
> moving.
> 
>   If the pedal just flops to the floor with no
> resistance is the pin that attaches the stroker rod
> to the pedal busted.  
> 
>   Just a thiught and some thing to look at. HTH
> 
>   Brian
>     ----- Original Message ----- 
>     From: Jeffrey W. Bynum 
>     To: scirocco-l@scirocco.org 
>     Sent: Saturday, January 11, 2003 7:57 PM
>     Subject: Brake problems in a 16v Conversion (85
> Cabriolet)
> 
> 
>         I am in need of some brake diagnosis help.
> The car in question is a 1985 Cabriolet with a full
> 16v conversion- motor, tranny, all wiring, brakes,
> MC, booster, pedal cluster, rear disk axle beam,
> exhaust, etc. Esentially it is a complete Scirocco
> 16v transplanted into a Cabriolet.
>         The brakes have no pedal - it goes all the
> way to the floor. The front brakes are off of a
> running/driving 16v Scirocco (new pads, and rotors),
> the rear is a scirocco axle beam, and A3 calipers
> (brand new, new pads, new rotors, etc). The car also
> has a new 22mm Corrado MC. I first tried bleeding
> the brakes with my Motive power bleeder- starting at
> the rear PS, with the A3 caliper removed from the
> stub axle so that I could bleed it with the nipple
> facing corrrectly, as not to induce air into the
> system. from there moving on to the DS rear, PS
> front, and then DS front. The brakes bleed great,
> all air seems to be evacuated, and then when I get
> in the car....WTF?!?!? no pedal. I tried replacing
> the MC with another new one (this time a german ATE
> instead of an Italian made one), to the same result.
> I tried replacing the booster with another, same
> result. Always bleeds fine, but still no pedal. I
> have even tried bleeding it manually, but no go. I
> used all new or known good parts to avoid problems,
> but no luck. I even connected all the lines without
> the proportioning valves , just to see if it made
> any difference. I would appreciate any and all input
> on the matter, as I would really like to get the car
> out of my garage to move another project
> inside.....(1988 Scirocco 16v , 47k original miles,
> white, no sunroof, manual window/lock, cloth /vinyl,
> 1 lady owner, nonsmoker....)......help please. I can
> make em run, just not having much luck in stopping
> this thing....
> 
>     Jeffrey W. Bynum
> 
>         
> 
> 
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