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Re: can't remove the brake piston

To: <mgs@autox.team.net>
Subject: Re: can't remove the brake piston
From: "Harlan Jillson" <hjillson@argohouston.com>
Date: Wed, 2 Feb 2000 07:13:31 -0600
Just one caveat,
   If you're going to use compressed air, be sure to use LOW pressure.  If the 
piston is crudded in ( technical term), sometime it will take a lot of pressure 
to free it.  With compressed air this usually results is a high velocity 
airborn object, namely the piston.  Use with air with caution, hydraulic 
extraction is much less hazardous.
Harlan.

---------- Original Message ----------------------------------
From: REwald9535@aol.com
Reply-To: REwald9535@aol.com
Date: Wed, 2 Feb 2000 02:14:21 EST

>In a message dated 02/01/2000 12:07:36 PM Pacific Standard Time, 
>Ajhsys@aol.com writes:
>
>> 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.
>Allen,
>The only corection I would make to your very correct statements is that I 
>would change the word most to ALL.  This comes from 30+ years of working on 
>cars as a technician and now an instructor.
>Rick Ewald
>
>

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