Rear brakes make grinding sound
#2
Grinding brakes strongly suggest at least one brake pad is worn out and the pad backing plate is now in contact with the rotor. If this is the case you’ll be lucky if you don’t have to replace the rotor, and good practice suggests if you change the rotor on one side, you replace the other.
I can’t remember if the rear caliper is a slider, but check the wear rates of all the pads, if there is a big difference then a sticking slider might be the cause, if not a sticking piston.
Better get it looked at soon…
Regards,
White Bear.
I can’t remember if the rear caliper is a slider, but check the wear rates of all the pads, if there is a big difference then a sticking slider might be the cause, if not a sticking piston.
Better get it looked at soon…
Regards,
White Bear.
Last edited by White Bear; 03-25-2013 at 01:44 PM.
#3
Grinding brakes strongly suggest at least one brake pad is worn out and the pad backing plate is now in contact with the rotor. If this is the case you’ll be lucky if you don’t have to replace the rotor, and good practice suggests if you change the rotor on one side, you replace the other.
I can’t remember if the rear caliper is a slider, but check the wear rates of all the pads, if there is a big difference then a sticking slider might be the cause, if not a sticking piston.
Better get it looked at soon…
Regards,
White Bear.
I can’t remember if the rear caliper is a slider, but check the wear rates of all the pads, if there is a big difference then a sticking slider might be the cause, if not a sticking piston.
Better get it looked at soon…
Regards,
White Bear.
#5
The grinding indicates metal to metal contact. Apart from seriously impairing braking, this will rapidly wreck the disc.
The rear brake on both XK and XKR is ventilated disc (rotor) with an aluminium single acting piston sliding caliper.
The caliper is mounted in a fixed carrier which is secured to the wheel knuckle with two bolts.
When the brake is applied, the piston extends to force the inner pad against the disc. The caliper reacts and slides along two guide pins to force the outer pad into contact with the disc.
Rapid wear of pads is usually caused by the carrier seizing on the guide pins.
Graham
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