[FC] Braking News

[ken]

Did you check the flexible brake hoses?  I have had the same problem with
several of my cars through the years.  It seems the hoses will swell when
old and you will be able to force the fluid through them with your foot
pressure and apply the brakes but the fluid will not return to the M/C
causing a locking up episode.

Ken in Florida

-----Original Message-----
From: corvanatics-bounces at corvair.org
[mailto:corvanatics-bounces at corvair.org] On Behalf Of Dennis PLEAU
Sent: Wednesday, October 01, 2008 7:50 PM
To: Ken Hand; corvanatics at corvair.org
Subject: Re: [FC] Braking News

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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