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Rear Brake Clunk on Application

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Old Jan 12, 2022 | 12:49 PM
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Default Rear Brake Clunk on Application

I have a C7 Z51 that I recently performed a front Z06 caliper and rotor swap on. The rears were left stock, as the calipers are the same on the Z51 and Z06 (let me know if I'm wrong about that). I slotted z06 sized raybestos pads on all 4 corners.

Everything seems to be working really well, except I can now regularly hear the rear brake pads clamp down on initial pedal application at very low speeds. It sounds like a quiet, metallic slap or clunk. Does this sound like anything to be worried about? Anyone else encounter this kind of thing?

I'll be removing the pads and inspecting the calipers, etc soon, but just thought I'd hit up the forums before I get in there.

Thanks!
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Old Jan 12, 2022 | 02:15 PM
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Can't imagine any thing clunking make sure the pins are in correct,
also The Grand sport & Z06 have different discs (bigger) and calipers more offset to clear the bigger discs.
Yes I did change mine and GM calipers and Discs are the cheapes and more than adequit for track use too
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