BRAKE ISSUES

Dasklo468 · 09-18-2022, 07:34 AM

I have a 2018 SS and I seem to have a potential braking issue. The car stops just fine but I feel this pulsing on the pedal almost as if the rotor is warped somewhat.
The car has about 12k miles on it and it has never been tracked, raced or abused in any way. I also do NOT ride the brake.
Anyone else having this problem? I plan on taking it to a dealer soon. Thanks for any information..

arpad_m · 09-18-2022, 07:43 AM

From what I know, these rotors don't warp and the most likely cause is uneven pad material transfer to the rotor(s), possibly due to inadequate or no bedding, or leaving the car in place after washing the wheels.

Jus Cruisin · 09-18-2022, 07:55 AM

You could retry the bedding procedure and see what happens. Or, get the rotors resurfaced which would cure it but you lose some life out of them.

Dasklo468 · 09-18-2022, 08:00 AM

Quote:

Originally Posted by Jus Cruisin

You could retry the bedding procedure and see what happens. Or, get the rotors resurfaced which would cure it but you lose some life out of them.

Thanks, Ill try that.

Dasklo468 · 09-18-2022, 08:01 AM

Quote:

Originally Posted by arpad_m

From what I know, these rotors don't warp and the most likely cause is uneven pad material transfer to the rotor(s), possibly due to inadequate or no bedding, or leaving the car in place after washing the wheels.

True and I'm thinking of cleaning the rotors with a wire brush and then "bed" the brakes with a series of moderate speed hard braking to transfer pad material to the rotor.

cdb95z28 · 09-18-2022, 08:26 AM

Yep, Uneven pad transfer.

Here's a great source for info on why this occurs and the science behind it.

https://centricparts.com/resources/r...ry=Whitepapers

I've used this and it works to remove the old transfer material so you can rebed the pads:

https://www.amazon.com/Brush-Researc...07INTEMC&psc=1

Sometimes if the brakes have been heavy used/abused while the pulsation occurs, the rotor can go thru a change metallurgically. If that happens then a simple removal of the old transfer layer will not work.

PostalLDMC · 09-18-2022, 09:30 AM

You never said where you live with only 3000 miles a year. I'll go with rust build up. Up here we get the salt and rain. So, it sits in the damp weather. down south you get the humid weather. Not to mention dust and Polin which builds up with a tree acid.

09-18-2022, 07:34 AM	#1
Dasklo468 Drives: Camaro Join Date: May 2022 Location: USA Posts: 16	BRAKE ISSUES I have a 2018 SS and I seem to have a potential braking issue. The car stops just fine but I feel this pulsing on the pedal almost as if the rotor is warped somewhat. The car has about 12k miles on it and it has never been tracked, raced or abused in any way. I also do NOT ride the brake. Anyone else having this problem? I plan on taking it to a dealer soon. Thanks for any information..

09-18-2022, 07:43 AM	#2
arpad_m Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017 Location: East Tennessee Posts: 13,436 View My Garage	From what I know, these rotors don't warp and the most likely cause is uneven pad material transfer to the rotor(s), possibly due to inadequate or no bedding, or leaving the car in place after washing the wheels. __________________ 2018 Camaro 2SS — G7E MX0 NPP F55 IO6 735 rwhp \| 665 rwtq Magnuson TVS 2300 80mm pulley \| Kooks 1 7/8" LT headers \| JRE smooth idle Terminator cam \| LT4 FS & injectors \| TSP forged pistons & rods JMS PowerMAX \| DSX flex fuel kit \| Roto-Fab CAI \| Soler 95mm LT5 TB \| 1LE wheels \| 1LE brakes \| BMR rear cradle lockout \| JRE custom tune 1100 - 1/30/18 \| 2000 - 1/31/18 3000 - 2/06/18 TPW 2/26/18 3400 - 2/19/18 \| 3800 - 2/26/18 4300 - 2/27/18 \| 4B00 - 3/01/18 4200 - 3/05/18 \| 4800 - 3/14/18 5000 - 3/16/18 \| 6000 - 3/19/18

09-18-2022, 07:55 AM	#3
Jus Cruisin Old Gearhead Drives: 2023 GMC Sierra Denali Ultimate Join Date: Nov 2018 Location: MI Posts: 547	You could retry the bedding procedure and see what happens. Or, get the rotors resurfaced which would cure it but you lose some life out of them. __________________ 2023 Camaro ZL1 convertible - black - SOLD 2025 GMC Sierra Denali Ultimate - black - 3.0l diesel 1937 Ford Slantback

09-18-2022, 08:26 AM	#6
cdb95z28 Drives: 2022 1SS 1LE A10 BCD WCT+PDR Join Date: Mar 2008 Location: Johnstown, PA Posts: 3,817	Yep, Uneven pad transfer. Here's a great source for info on why this occurs and the science behind it. https://centricparts.com/resources/r...ry=Whitepapers I've used this and it works to remove the old transfer material so you can rebed the pads: https://www.amazon.com/Brush-Researc...07INTEMC&psc=1 Sometimes if the brakes have been heavy used/abused while the pulsation occurs, the rotor can go thru a change metallurgically. If that happens then a simple removal of the old transfer layer will not work. __________________ 2022 1SS 1LE A10 BCD WCT+PDR2014 1SS 1LE NPP RECARO SIM-SOLD1995 Z28 M6 GSC PGM-SOLD1975 NOVA COUPE 300HP 350 TH350 FLASH RED-SOLD "KEEP THE FAITH"-Fbodfather

09-18-2022, 09:30 AM	#7
PostalLDMC Drives: 2022 2LT RS Convertible Join Date: Apr 2021 Location: Upper Mid-West Posts: 306	You never said where you live with only 3000 miles a year. I'll go with rust build up. Up here we get the salt and rain. So, it sits in the damp weather. down south you get the humid weather. Not to mention dust and Polin which builds up with a tree acid.

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