Raybestos – Properly Inspecting a Caliper Piston



Many technicians determine if a caliper piston is operating correctly by pushing it into its housing. If the piston pushes in easily, they figure the caliper piston is doing its job. This is not always the case. You must ensure that the square-cut seal is working. In this video, we show you how to inspect the operation of a caliper piston.


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