I'm working on a friend's 07 Toyota van and after replacing all pads and rotors there is a thumping.
Thumping noise in rear passenger side. I removed pads and rotors, inspected and found nothing wrong. I decieded to replace the new rotor with same and the thumping is still there, but only with the brakes being used. Nothing felt in the brake pedel and the the van stops fine. So why the thumping noise?
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