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Chipped phenolic brake piston! Help!

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Old 12-12-2021, 07:14 PM
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Default Chipped phenolic brake piston! Help!

So I知 doing a wj brake swap on my xj and I知 rebuilding the calipers. When I pressed out the pistons with compressed air I guess it got crooked in the hole and it chipped the top of the piston. Either that or it was already like that. Not sure. Am I good or do I need a new piston?it seems to be holding pressure still. Thanks!

Old 12-12-2021, 09:26 PM
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The chip appears to not effect the seal swept area of the piston, in which case the piston is ok.

good luck!
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