Freeing up siezed brake cylinder pistons

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      Ben StevensBen Stevens
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      OK so all my brake cylinder pistons have seized.  I believe that when the brakes were “done” about 25 years ago (it’s not been driven since) the cylinders were also replaced so should be in good nick – if I can get the pistons out.

      I’ve created an attachment so I can fit a foot pump to it, and have pumped it up to about 110 PSI but can’t get any more pressure into it.  It’s been soaking in diesel for about a week already.

      I’m thinking heat next…any top tips?  e.g. how hot can I realistically heat it without causing damage?

       

       

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