For an almost new cylinder that has been used with DOT 3 or DOT 4 brake
fluid I would recommend disassembling the cylinder and washing it carefully
with alcohol and then drying all of the pieces. This is a good opportunity
to inspect the parts for wear or damage. Before reassembly I would use
some hydraulic cylinder assembly fluid and put liberally it on all of the
parts including the housing bore. Then carefully reassemble the unit and
store it in a sealed plastic bag. I have used fluid made by a company
called EIS or at least that was the brand name. It is made for the
purpose. It is compatible with regular brake fluid and acts as a lubricant.
Probably available at real auto supply stores and maybe at PepBoys or
Autozone.
Stan
======
At 09:08 PM 6/13/2004 -0400, Fred Davidson wrote:
>Hi:
>
>I just took a almost new master cylinder off a parts car ('69 2000) today and
>would like advice on how to keep it from deteriorating while I keep it as a
>spare. The fluid drained out was quite clear, so it probably hasn't been
>sitting that long.
>
>Thanks
>
>Fred
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