[FC] Braking News

[Dennis PLEAU]

I think the master cylinder is not returning all the way not letting the fluid back into the reservoir.  The  actuating rod needs to be shortened.

Just my guess,

Dennis



> To: corvanatics at corvair.org
> Date: Wed, 1 Oct 2008 19:43:36 -0400
> From: vairmech at aol.com
> Subject: Re: [FC] Braking News
> 
> 
>      The original post said that the pedal got hard, not soft, after 
> driving. Therefore the check that you suggested will do no good except 
> show a good master cyl. if there is a dual master cylinder, as I see it.
> 
>      It was also said that the brake adjusters were backed all the way 
> off, but were the linings still rubbing the drums? If so then the 
> linings are swelling with heat and with no movement in the shoes the 
> pedal will feel rock hard with no free play at all. The one thing you 
> didn't say is if you have a dual master cylinder. Also after driving 
> the 20 or so miles does the FC still stop OK other than the wheel 
> locking? Did you rebuild the master cylinder?
> 
> Ken Hand
> 248-613-8586
> www.corvairmechanic.com
> 
> 
> -----Original Message-----
> From: noahsarkinc <noahsarkinc at earthlink.net>
> To: Michael Emanuele <rampside1 at roadrunner.com>; corvanatics at corvair.org
> Sent: Wed, 1 Oct 2008 3:01 pm
> Subject: Re: [FC] Braking News
> 
> 
> 
> Go down to your local auto parts store, and purchase a brass plug that
> screws into the master cylinder where the brake line goes.  Then try 
> the
> pedal.  It should be rock hard.  If it isn't, then it is the master 
> cylinder
> bypassing internally.  If it is rock hard, then disconnect the rear 
> line
>  from the block, and try that half of the system.  If everything is 
> good,
> then disconect the front half and try the brakes in the rear.  You 
> should be
> able to find the problem using this method.  My personal guess is that 
> the
> linings are too far away from the drum face and need to be adjusted.  .
> 
> ----- Original Message -----
> From: "Michael Emanuele" <rampside1 at roadrunner.com>
> To: <corvanatics at corvair.org>
> Sent: Wednesday, October 01, 2008 2:52 PM
> Subject: [FC] Braking News
> 
> 
> >    I thought I would throw this out to the list. I did a complete 
> brake
> > job on my 61 Rampside. New lines, cylinders, shoes and master cylinder
> > rebuild. My dilemma is that  if I drive a distance of say twenty miles
> > or more the brake pedal becomes rock hard and the brakes start to lock
> > up on all four wheels. I am inclined to think that the issue is in the
> > master cylinder. I backed the concentric pedal bolt so that I have
> > maximum pedal travel to allow the piston to fully return. I backed the
> > shoes off to zero adjustment. These are manual adjusters, not auto
> > adjusters and still have this problem. I have bled the system 
> repeatedly
> > and to no avail. What am I missing here? I've done numerous brake jobs
> > in the past with never a problem. I am using DOT 3 brake fluid not
> > synthetic
> >  ANY THOUGHTS?
> >
> > Thanks in advance, Mike Emanuele
> > 61 Rampside
> > 61 Eight Door
> > 69 Monza Ct


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