Brake problems in a 16v Conversion (85 Cabriolet)

[corylang@dccnet.com (Cory Langford)]

I had a similar experience when I tried to put on a set of Passat read disk
cals.  It seems they are slightly different.  I forgot which number was on
the back, but all I remember now is to stay away from the Passat read disks.

They way I found it was to disconnect the rear break lines and cap them
off.  so all you have is fluid traveling to the front brakes.  Found the
thing grabbed great on the front but the pressure was just something in the
back cals that caused the pedal to hit the floor.

Good luck.


At 07:57 PM 01/11/2003 -0600, Jeffrey W. Bynum wrote: 
>>>>
    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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Cory Langford
'86 turbo project - running, just needs tuning :)
'79 Cheap Ass turbo daily driver - Restore in progress...
'65 Ghia - The next project in the garage