<VV> Removing the wheel cylinder entrails

[Rick Norris]

Bullhockey!

Back in the old days when I was young and kid poor I rebuilt wheel cylinders 
many times with out removing them. The kits were cheap! That included honing 
them too! I flushed them throughly to remove the grit and had no failures. 
Obviously, it would be better to remove the cylinders but, the brake lines 
were often rusted bad enough that I could not get them loose without 
destroying them. Now days I just replace them with new ones. Actually, when 
I do a brake job I replace EVERYTHING and be done with it.

Rick Norris
#36 Sunoco Corvair
www.corvairalley.com

> I've never heard of removing the INNARDS of a wheel cylinder, and leaving
> the cylinder attached to the backing plate. Barbaric!!!
> The cylinder MUST be either replaced or honed off the car.
>
> Harry Yarnell
> Perryman garage and orphanage
> Perryman, MD
> hyarnell1 at earthlink.net
> ----- Original Message ----- 
> From: "EVERETT WILSON" <aircooled6 at prodigy.net>
> To: "Stephen Upham" <contactsmu at sbcglobal.net>; "Virtual Vairs"
> <virtualvairs at corvair.org>
> Sent: Wednesday, July 02, 2008 4:18 PM
> Subject: Re: <VV> Removing the wheel cylinder entrails
>
>
>> Hmm.
>>
>>  The wheel cylinder does not have to be removed from the backing plate to
>> simply take out its innards and perhaps hone it.
>>
>>  THe pistons, rubber cups and spring are all thats in the cylinder, other
>> than fluid.  If they wont come out, then you've found your brake problem!
>>
>>  There should be a rubber "boot" on each end with the short metal rod 
>> thru
>> the center.  The rods fit into the indented end of the pistons and the
>> flat side of the piston sits against the rubber "cup" and the spring is 
>> in
>> the middle, between the pistons/cups.   THey should pop right out if you
>> press on one end or the other.  ALternatively, you can GENTLY press on 
>> the
>> brake pedal and at least one of the pistons will come out!  Then you can
>> work on the other one with a piece of wooden dowel and a hammer, if it is
>> truly seized or hung up.
>>
>>  HTH
>>
>>  Everett Wilson
>>  North Richland Hills, TX
>>
>> Stephen Upham <contactsmu at sbcglobal.net> wrote:
>>  I am replacing the brake shoes and the internals of the wheel
>> cylinder on the drivers side front for the first time ever by
>> myself. I've successfully gotten the shoes and accompanying springs
>> removed the cylinder pistons out and the rubber coverings removed.
>> The '65 manual helpfully says to remove the pistons, rubber cups, and
>> spring from the cylinder and clean them. Uh, how do you remove the
>> internals from the cylinder housing. I'm assuming that it doesn't
>> have to be removed from the wheel? It didn't seem to want to budge
>> much using my fingers.
>>
>> Stephen Upham
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