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New brakes, loud squealing noise when backing up

Posted: Thu Jul 21, 2011 2:28 am
by Liberty10
Just last week I had a seized caliper issue taken care of on my rear brake. The brakes are new - only a month old.

Yesterday and today, when backing out of the driveway, there was a rather loud squealing sound from the rear brake area (no cats were injured - I checked). The sound does not reappear during regular driving, stops, starts etc. Both times it has only occurred with that first movement out of the driveway (a slight incline, but not much).

Is this just coincidental timing with the caliper repair? Maybe moisture overnight? Nothing but rain and dark skies here lately.

Thank you.

Re: New brakes, loud squealing noise when backing up

Posted: Fri Jul 22, 2011 12:12 am
by Legacy777
It's probably just squealing from the brake pads being a little loose. That's really all brake squeal typically is. Did the shop put all the brake shims back in when they replaced the brakes? Also did they put any disc brake quieter on the back of the pads? I like this stuff by crc
http://www.crcindustries.com/auto/conte ... x?PN=05016

Re: New brakes, loud squealing noise when backing up

Posted: Fri Jul 22, 2011 1:41 am
by Liberty10
Hi Josh,

I don't know if it was done that way but I'm sure we'll double-check on it now (well, tomorrow). Being only half-awake when I read your comments, I thought you'd written "I like this stuff by ccr" and I was anticipating a link to YouTube.. lol.

The red stuff is cool (wish I had some) but CCR would've been cooler :)

Re: New brakes, loud squealing noise when backing up

Posted: Fri Jul 22, 2011 5:41 pm
by Legacy777
Liberty10 wrote:The red stuff is cool (wish I had some) but CCR would've been cooler :)
CCR may have been cooler, but they won't do much for your squealing brakes :)

Re: New brakes, loud squealing noise when backing up

Posted: Sat Jul 23, 2011 5:45 am
by Liberty10
It's still weird to me how the brakes make that noise only when I back up.. Why wouldn't it do the same thing when I brake at a stop sign? If it's debris or something, how does it know what direction I'm going? lol

Yes, these are the strange things I ponder, Josh.

Re: New brakes, loud squealing noise when backing up

Posted: Sun Jul 24, 2011 9:28 pm
by Legacy777
The pads will wear in a certain way since you're a traveling forward 99% of the time, so when you drive in reverse the pads can vibrate and make noise.

Re: New brakes, loud squealing noise when backing up

Posted: Tue Jul 26, 2011 3:53 am
by Liberty10
I thought that maybe it was just that I had very smart brakes. Easiest "fix" is to park on the level road.. :P