Why am I hearing this sound while driving?

Tiny
IMGREGORY7483
  • MEMBER
  • 2000 LEXUS ES 300
  • 12,800 MILES
Hi. I just changed my rear break pads.I did not rotate the caliper pistons clock wise while compressing them.I have a slight scraping sound now. Can I start over and rotate the pistons properly? Break dust shield isnt touching rotors and I dont know what else would be causing this metal on metal sound. Thank you
Friday, July 6th, 2012 AT 1:41 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 34,330 POSTS
If you shoe-horned the new pads in, there's no need to turn the pistons. Did you have the rotors machined? There is likely a ring of rust buildup and the new linings are a fuzz offset compared to the old ones and they're riding on that rust. That will wear off in short order.
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Friday, July 6th, 2012 AT 1:49 AM

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