Intense Brake Squeal! - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

nico_rsx · 02-07-2018, 11:50 AM

I think you need grease on both side. You don't really need to have grease on the part of the shim that is exposed to the air, but it would help to have some on the part of the shim where the caliper is squeezing.

norcalpb · 02-07-2018, 07:35 PM

Quote:

Originally Posted by nico_rsx

I think you need grease on both side. You don't really need to have grease on the part of the shim that is exposed to the air, but it would help to have some on the part of the shim where the caliper is squeezing.

Ok good to know.

And I’m about to order new shims, do I need the rubber shims as well? The car is mainly used as a DD.

FirstWinter · 02-07-2018, 08:27 PM

Quote:

Originally Posted by norcalpb

Ok good to know.

And I’m about to order new shims, do I need the rubber shims as well? The car is mainly used as a DD.

Rubber shims? You got a pic? Are you talking about the dust boots?

norcalpb · 02-07-2018, 09:22 PM

Quote:

Originally Posted by FirstWinter

Rubber shims? You got a pic? Are you talking about the dust boots?

On #7, right inbetween the pad and the shim. It was a soft shim of some sort.

FirstWinter · 02-07-2018, 09:27 PM

Quote:

Originally Posted by norcalpb

On #7, right inbetween the pad and the shim. It was a soft shim of some sort.

Ah I see. I never noticed since I didn't look at my stock pads. Replaced them early on.

Irace86.2.0 · 02-08-2018, 03:56 PM

Brake noise or squeal when the brakes aren’t being pressed is not right. Something is sticking to cause the pad to rub that much. If you are just getting squeal when you barely depress the brakes, or under light braking at slower speeds then all is good and welcome to the world of performance brakes.

norcalpb · 02-11-2018, 02:53 PM

Jut an update:

Did the bedding process again and the whisking brake noise is gone.

Brakes still squeak, but sound more normal than the banshee noise that was there before.

Thanks everyone for the help! I’ll be able to make a more informed pad choice next time.

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02-07-2018, 11:50 AM	#15
nico_rsx Senior Member Join Date: May 2016 Drives: BRZ 2017 Pure Red, MT Location: Quebec, Canada Posts: 309 Thanks: 122 Thanked 121 Times in 83 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I think you need grease on both side. You don't really need to have grease on the part of the shim that is exposed to the air, but it would help to have some on the part of the shim where the caliper is squeezing.

02-08-2018, 03:56 PM	#20
Irace86.2.0 Senior Member Join Date: Mar 2017 Drives: Q5 + BRZ + M796 Location: Santa Rosa, CA Posts: 7,884 Thanks: 5,668 Thanked 5,805 Times in 3,299 Posts Mentioned: 70 Post(s) Tagged: 0 Thread(s)	Brake noise or squeal when the brakes aren’t being pressed is not right. Something is sticking to cause the pad to rub that much. If you are just getting squeal when you barely depress the brakes, or under light braking at slower speeds then all is good and welcome to the world of performance brakes.

02-11-2018, 02:53 PM	#21
norcalpb Senior Member Join Date: Oct 2013 Drives: 2013 BRZ, 2023 Model 3 Location: SF Bay Area Posts: 2,296 Thanks: 1,212 Thanked 863 Times in 570 Posts Mentioned: 15 Post(s) Tagged: 0 Thread(s)	Jut an update: Did the bedding process again and the whisking brake noise is gone. Brakes still squeak, but sound more normal than the banshee noise that was there before. Thanks everyone for the help! I’ll be able to make a more informed pad choice next time.

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