Knocking while Braking

Tiny
ENJOICASHWELL
  • MEMBER
  • HONDA CIVIC
Make: Honda
Model: Civic EX
Mileage: 97000
Engine: 4 Cyl 1.6L Vtec

Recently I just changed the brakes all around my vehicle.
I replaced rotors, pads, drums, shoes, and spring kit. I bleed all the lines except for the driver side rear because the valve broke off trying to loosen it. I took the vehicle for a test run afterwards and noticed a knocking while I am braking. It sounds as if it is coming from the rear drivers side wheel. The knocking sounds speed corresponds with the speed of the vehicle. The knocking sound is not present unless I apply the brakes. I took it to a shop and they were unable to diagnose it. I believe it has something to do with the rear brake because I hear the knocking when I pull on the emergency brake while in motion.
I thought it may have been because of the unbleed brake so I replaced the wheel cylinder for the new bleeder valve. I was able to bleed it but the knocking is still present.
Should I just suck it up and reassemble the rear brake? Do you guys think it could be anything else?
Thursday, August 23rd, 2007 AT 2:41 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Check the drum, maybe even swap them side to side to see if the noise moves to the other side. There may be a machine ridge like a record has that is pulling the shoe out and letting it snap back.
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Thursday, August 23rd, 2007 AT 3:56 PM

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