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FJR Motorcycle Forums
Technical & Mechanical Problems
Heated frozen brake pucks -- Uh Oh
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<blockquote data-quote="Whooshka" data-source="post: 1470599" data-attributes="member: 93041"><p>OK so I'm guessing that black puck was not black until it was hit with penetrant and a propane torch. I don't know what the pucks are made of and I'm no metallurgist, but I do know heat will discolor stainless steel. Not blacken it but give a multicolored/rainbow appearance.</p><p></p><p>I'm also guessing if the puck was in the caliper when the torch hit it would only the exposed portion turn black? Maybe it's an aftermarket puck?</p><p></p><p>Next time if you need to remove the pucks do it with the caliper still mounted and use the hydraulic pressure of the brake system or remove the caliper and use compressed air.</p></blockquote><p></p>
[QUOTE="Whooshka, post: 1470599, member: 93041"] OK so I'm guessing that black puck was not black until it was hit with penetrant and a propane torch. I don't know what the pucks are made of and I'm no metallurgist, but I do know heat will discolor stainless steel. Not blacken it but give a multicolored/rainbow appearance. I'm also guessing if the puck was in the caliper when the torch hit it would only the exposed portion turn black? Maybe it's an aftermarket puck? Next time if you need to remove the pucks do it with the caliper still mounted and use the hydraulic pressure of the brake system or remove the caliper and use compressed air. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Heated frozen brake pucks -- Uh Oh
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