Carbon Ceramic brakes
#1
Carbon Ceramic brakes
My 2017 SVR has the Carbon Ceramic brakes. I can deal with the every once and a while hi-pitched noise. Just go 100mph, hit the brakes hard, and the intermittent hi-pitched noise is gone for a week. No issues, and to be expected.
I now have about 3.3k miles on them and they just started to make a lower, medium pitched hum on light braking about 20% of the time. Brought the car to the dealer, and they did a Jaguar recommended fix (grease behind pads to stop vibration). Problem is worse now. Same sound (pitch and volume), but now it does it approx. 80% of the time. Stopping at a stop light in moderate traffic is a good example of break pressure/speed.
Getting ready for dealer trip #2.
Anyone else come across this?
I now have about 3.3k miles on them and they just started to make a lower, medium pitched hum on light braking about 20% of the time. Brought the car to the dealer, and they did a Jaguar recommended fix (grease behind pads to stop vibration). Problem is worse now. Same sound (pitch and volume), but now it does it approx. 80% of the time. Stopping at a stop light in moderate traffic is a good example of break pressure/speed.
Getting ready for dealer trip #2.
Anyone else come across this?
#2
#3
#4
Mine are not noisy at 18k miles. Not at all, even when using drive-away release on the EPB there is no release crack and never any squeal.
Do you drive yours very hard? The only other time I have seen the CCBs in person was on a car that had similar miles to mine but was driven like it was meant to be and the discs had a distinctive pitting all over the contact surface where the fibres were, almost like an orange peel. I didn't ask if the owner had any brake noise though. My car mostly sees normal commuter driving and the discs are almost smooth to the touch (dull, not polished). I mentioned it to my dealer and they said the CCBs wear differently if they see regular prolonged hot use.
Is the noise all-round for you or more on one side/corner? Do you have another car you can compare to? Some dealers have CCBs on the lot (a lot of the JLR-registered Rs and SVRs are specced with them - license plates will start with OV/OY)*
* Sorry, just spotted you are in the US, so you might not see many JLR cars over there, and the license plates will obviously be different. I'll leave that bit in my reply for UK owners.
Do you drive yours very hard? The only other time I have seen the CCBs in person was on a car that had similar miles to mine but was driven like it was meant to be and the discs had a distinctive pitting all over the contact surface where the fibres were, almost like an orange peel. I didn't ask if the owner had any brake noise though. My car mostly sees normal commuter driving and the discs are almost smooth to the touch (dull, not polished). I mentioned it to my dealer and they said the CCBs wear differently if they see regular prolonged hot use.
Is the noise all-round for you or more on one side/corner? Do you have another car you can compare to? Some dealers have CCBs on the lot (a lot of the JLR-registered Rs and SVRs are specced with them - license plates will start with OV/OY)*
* Sorry, just spotted you are in the US, so you might not see many JLR cars over there, and the license plates will obviously be different. I'll leave that bit in my reply for UK owners.
Last edited by xdave; 03-19-2018 at 03:13 PM.
#5
20% hard, 80% commuting. Sound now happens under either of the conditions.
The brakes were quiet for 3k miles, then one day started a making the noise.
Tone is about 200Hz (plus or minus) from all around when lightly braking. Dealer installed grease behind the pads made it happen more often (same volume and tone).
The brakes were quiet for 3k miles, then one day started a making the noise.
Tone is about 200Hz (plus or minus) from all around when lightly braking. Dealer installed grease behind the pads made it happen more often (same volume and tone).
#6
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