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Metal grinding noise after changing back brakes

Tiny
SHAN21
  • MEMBER
  • 2005 PONTIAC GRAND PRIX
  • 3.8L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 150,000 MILES
Changed back brakes. Hear grinding sound when starting to drive.
Monday, August 28th, 2017 AT 8:27 AM

2 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,474 POSTS
Did you change the pads and rotors? How about the parking brake shoe? Those have a bad habit of rusting and falling apart under the rotor.
Either way you will want to look them over and see if there is something assembled wrong or maybe the fronts are also worn.
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Monday, August 28th, 2017 AT 8:46 AM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Also if the caliper bracket bolts and slide pins aren't perfectly tight enough then the caliper and/or bracket will rattle around. It could sound like a grinding sound if it starts touching the rotor. Seen it happen.
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Monday, August 28th, 2017 AT 2:47 PM

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