Allen:
I always throw the two caliper halves into the carburator acid vat after
removal of the excess grease. Then I flush w/ water and finish up w/
compressed air.
Have done this countless times with no adverse effects.
Richard
----- Original Message -----
From: <Ajhsys@aol.com>
To: <rcrump@enid.com>; <mgs@autox.team.net>
Sent: Tuesday, February 01, 2000 2:06 PM
Subject: Re: can't remove the brake piston
> In a message dated 2/1/00 2:02:19 PM Eastern Standard Time,
rcrump@enid.com
> writes:
>
> << I disapprove of compressed air. It makes a mess when and if the piston
> blows out. Place a 3/8 fine thread bolt in the hole for the brake line.
> Open the bleeder nipple. Take your grease gun and force it on to the
> nipple. Start pumping. As one piston will get ahead of the other, place
a
> c-clamp on it before it makes it all the way out of the caliper and then
> pump the other piston out. This is a kinder, gentler way to remove the
> pistons and you have to clean the calipers up anyway. >>
>
> - - - - - - - - - - - - - - - - - - - - -
>
> If you are advocating pumping the caliper full of grease to push the
pistons
> out, I have to disagree. Everything I have read about brake systems says
to
> prevent contamination of the system with petroleum products. It would be
> very difficult to remove grease from inside a caliper, and make it clean
> enough to not contaminate new brake fluid. Plus, most of the books say to
> extract the pistons using compressed air.
>
> The only way I can see to properly clean a caliper after doing this would
be
> to separate the caliper halves. This is not recommended as a normal
rebuild
> procedure.
>
> You (listers) can do what you want, but IMHO, do not pump grease into your
> calipers. If I misunderstood your meaning, please write again and
explain.
> I am always open to new ideas, but Safety Fast where brakes are concerned.
>
> Allen Hefner
> SCCA Philly Region Rally Steward
> '77 Midget
> '92 Mitsubishi Expo LRV Sport
>
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