Hi I changed my rear disks and pads today. On the test drive i found that under heavy breaking I now have developed a knock that appears to happen once with every revolution of the wheel. Everything is tightened as it should be and the pads can move freely any suggestions on what it can be? The car is a 07 hawkeye with 2 pot rears thanks in advance

 

Literally did the same kn my blob today. Turned out the handbrake shoes were incorrectly seated. So under foot brakig here was a knocking.

Dont know how bur stripped and cleaned and replaced securing pins and little springs kn the shoes. Voila job done