DD brake problems

[jlagnese@massed.net (John Lagnese)]

I did just pop the top on the master cylinder. I'll bleed them extensively and
hope for the best.
Thanks,
John

Dave Ewing wrote:

> When you replaced the rotors, how did you push the caliper pistons in?  IF
> you didn't open the bleeder valves, you may have pushed something up into
> either the master cylinder or (more likely) the prop valves and clogged
> them.  ALWAYS open the bleeder valve!!  This is even more important on the
> newer ABS systems because you don't want to clog those things up and then
> have much smaller valving than a regular master or prop valve.  The other,
> less likely, possibility is that you twisted or collapsed a brake line
> (rubber).  Check the brake lines, then grab a buddy and try to flush the
> heck out of it before you decide to replace anything else.  I had someone
> plug up an ABS system once and it did this and I was able to fix it by
> flushing the system!!  HTH!!
>
> Dave
>
> P.S.  What I mean by flushing is to bleed, bleed, bleed!!  Get all the crap
> ran through the system and, remember, brake fluid is cheaper than masters
> and prop valves!!
>
> > Hi,
> > My new daily driver, a 1991 Jetta GL has a problem with dragging front
> > disc brakes. I had to change the rotors for state inspection. The pads
> > are almost new. Now the brakes intermittantly drag. This is to the point
> > of the rotors getting very hot and the car almost stops itself.
> > I already have cleaned the contact points for the caliper. Opened and
> > closed the calipers numerous times. They do seem to move fairly freely.
> > I also have lubricated the sliders on the calipers. Any other ideas?
> > Thanks,
> > John
> >
> >
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