Steve,
Brake cleaner works very well. Seriously, SUPER-X or equivalent is about
as good as you can get.
Dave
Rizzo Steven D LtCol AETC/A5RU wrote:
> Good day, Listers! A friend is having difficulty removing the
> pistons from the master cylinders. There is a very thick sticky
> substance that is probably old dried out brake fluid "in there".....
> What would be a good way to get those pistons out? What solvent
> would be effective in cleaning up the old dried out fluid? My first
> guess would be to soak them in fresh fluid for a few days.....
> Thank you in advance for your help!
>
> Stever
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