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Brake noise diagnosis #4477288
08/02/17 09:16 AM
08/02/17 09:16 AM
Joined: Dec 2003
Posts: 2,208
Chicago IL
ChiTDI Offline OP
ChiTDI  Offline OP
Joined: Dec 2003
Posts: 2,208
Chicago IL
'07 RAV4 with lots of Raybestos pad front and back makes a grinding noise when coming to a complete stop, but only for the last ten feet.
The brakes work well, have about 10 k on them, and upon inspection showed no areas of shiny metal, shavings anywhere, nor areas of unusual heat.
Where should I look?

Re: Brake noise diagnosis [Re: ChiTDI] #4477300
08/02/17 09:37 AM
08/02/17 09:37 AM
Joined: Feb 2015
Posts: 2,359
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,359
Slovenia EU
On the other side of disc smile

Or is schroud around the disc bent/rusted and is in contact with the disc

Or worn out pads with metal....you know that metal sheets that informs you to change your pads smile


2008 Toyota Yaris 1ND-TV 1.4 D4-D Elf FullTech FE 5w30
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Brake noise diagnosis [Re: ChiTDI] #4477580
08/02/17 03:38 PM
08/02/17 03:38 PM
Joined: Mar 2013
Posts: 159
CA
shinyWheels Offline
shinyWheels  Offline
Joined: Mar 2013
Posts: 159
CA
Mine makes a slight low grinding noise too on the last few feet. I'm running Centric semi metallics though. They advertised as being quiet brakes (and were for about 7k miles). But recently the grinding has gone to squeaking now (for the last few feet) with light brake pressure. If I hose down the rotors and pads like when I do a car wash, the noise will go away for about a couple days. But I pretty these brakes are just noisier since they are semi metallics and are more aggressive than the stock ceramic pads. I can definitely feel like they bite harder than stock. I guess it's the price I pay for more aggressive pads.

Are your Raybestos ceramic or some other material?

Re: Brake noise diagnosis [Re: ChiTDI] #4479202
08/04/17 05:10 PM
08/04/17 05:10 PM
Joined: Dec 2003
Posts: 2,208
Chicago IL
ChiTDI Offline OP
ChiTDI  Offline OP
Joined: Dec 2003
Posts: 2,208
Chicago IL
If I remember correctly, they are ceramic.

Re: Brake noise diagnosis [Re: ChiTDI] #4479211
08/04/17 05:22 PM
08/04/17 05:22 PM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
Try some heavy grease where the caliper contacts the back of the pads.


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Brake noise diagnosis [Re: ChiTDI] #4480318
08/05/17 09:40 PM
08/05/17 09:40 PM
Joined: Aug 2004
Posts: 20,200
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 20,200
CA
We used a small quantity of these on Nissan/Infinitis vehicles and found them to be noisy after a while. We went back to OE or Centric Posi-Quiet 105's (when in a pinch).


2011 Toyota Prius - 178k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 133K - Mobil 1 EP HM 5W-30
Re: Brake noise diagnosis [Re: ChiTDI] #4483242
08/08/17 11:20 PM
08/08/17 11:20 PM
Joined: Jan 2011
Posts: 306
Los Angeles, CA
190E26FTW Offline
190E26FTW  Offline
Joined: Jan 2011
Posts: 306
Los Angeles, CA
That happened to me also but I was using some no name semi metallic brake pads when I was stuck in LA. Mine did the same exact thing ...braking the last few feet and then grinding and sometimes slipping. Pads were glazed over and not grabbing the disc. They still had a lot of meat left on them. I dumped them and put on EBC Red Stuff. No problems since. Best to stick to name brands or OEMs to avoid these kinds of headaches.


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