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How long have the rear brakes been making that noise?
I would inspect the pads to see if the wear indicator (if your particular pads have them) is touching the rotor. Also check to make sure the pad material is not worn down to bare metal as well as inspecting the brake hardware. If everything looks good and you can not see any abnormal wear, you could try to re-lubricate all the hardware and guide pins as needed and see if the problem persists.
You also may want to inspect the parking brake shoes and hardware too.
If you do decide to take the caliper off and replace the pads, if your caliper has notches in the piston, you will need a special tool to rotate the piston back into its bore. You may be able to use some long needle nose pliers. Some autoparts store also loan out the disc brake tool for a deposit.
Hope this helps.
Hi cnorth5863,
As dreamer2355 indicates, check the pads first and make sure they are good. If the pads are worn down to the squeaker bar, that could be the source of the noise. To determine if the caliber pins are frozen, see if the caliper itself moves back and forth on the pins. Sometimes this is difficult to determine, as the brake pads are already close to the rotor. If you take the pads off, it is easier to see if each caliper pin moves freely. Uneven wear on the inner or outer brake pad would also be an indication for frozen caliper pins. Good luck and keep us posted.
Yea check the pads first and don’t asume the worst, it could be that you just need to renew the pads. If you can’t get the caliper piston to go back in then you may need to replace it but don’t condemn it till you have tried to push it in first. Also make sure the slide pins are free and able to move properly as they can also cause abnormal pad wear and problmes with noise as a result. Lastly if you do ned to replace the pads make sure you get quality parts as cheeper brake pads often make noise.
I would research the brands that each autoparts store sells and see if you can find specs on the pads and user reviews.
Advance Auto Parts usually has Wagner ThermoQuiet brake pads and shoes. I have found this brand and make to be an excellent product.
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