My rear brakes were making a noise when I slowed down

Tiny
DANTEZESATI
  • MEMBER
  • 2013 HONDA CIVIC
  • 70,000 MILES
My rear brakes were making a noise when I slowed down, so I decided it was uneven wear and switched out to now rotors, brake pads, and caliper guide pins. With all the new parts, when I spin the rotor it spins freely for 80% of the rotor and catches at one point.
Saturday, December 28th, 2019 AT 10:32 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
More than likely this is called rotor runout. This means the point at which the rotor stops is higher than the other. Since these are new then the issue is probably the hub which is what they mount too. Either that is out of round or it has rust build up on it and it is causing the rotor to have a large amount of runout. The way to fix this is to remove the rotor and clean the hub face and inside rotor when it mounts to the hub with an abrasive pad so that it turns evenly. This video shows the job being done on a similar car but the process is the same.

https://youtu.be/zC3zETXSAGk

and

https://www.2carpros.com/articles/how-to-replace-rear-brake-pads-and-rotors

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Saturday, December 28th, 2019 AT 6:29 PM

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