Sniper Posted July 23, 2023 Report Share Posted July 23, 2023 2 hours ago, OUTFXD said: NOS item 70+ year old rubber doesn't live long in use. 1 Quote Link to comment Share on other sites More sharing options...
Dave72dt Posted July 23, 2023 Report Share Posted July 23, 2023 Dot 3 would be normal fluid use in that master as well as lube for installing the parts. When you consider what brake clean is for and what it does, it might be possible it diluted the Dot 3 used for initial install and ended up with dry pistons. Just a guess. That piston seal looked like it was hard rubber and brittle, not soft and pliable. 1 Quote Link to comment Share on other sites More sharing options...
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