Horrible Brake Squeal - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Paperer · 07-27-2009, 01:45 AM

Okay, going down the highway, and all of the sudden, the left brake begins to make an awful squeal as if it's locking up, I'm not far from home, so I turn around. It's just basically screaming the highest pitch you could think of all the way back at any speed.

I park and look at it, then I decide to head to the dealership. I get a quarter mile down the road, and it stops, I drive around some more and everything is good.

Anyone have any idea what could have caused this? It only as about 500 miles on it. You couldn't feel the brake or anything, it wasn't holding back much at all. It was just the highest pitch noise you could think of. A person in front of me pulled over because they thought something was wrong with their vehicle.

I've read that it could be brake dust???

Oh, it's a CGM 2SS/RS

firestone_ss · 07-27-2009, 09:34 AM

my GUESS is you had some type of debri wedged in between the pad and rotor and it worked its way out,rock,pebble dirt that kind of stuff,not uncommon

Mr Twisty · 07-27-2009, 10:19 AM

That was the LS3 telling you you're hitting the wrong pedal!

OK, seriously, the other response was probably correct. You can keep an eye on that rotor, make sure it isn't wearing strange.

CamaroSkooter · 07-27-2009, 10:55 AM

Did your caliper weights fall off?

Scott@Bjorn3D · 07-27-2009, 12:12 PM

I would tonight park the car and let it cool off for 1 hour or so. The crawl down by the wheel and feel the surface front and back of the disk to make sure it did not get a groove cut in it. I have seen small rocks get in between the pad and disc and do some major damage to the disc. If it cut a deep groove in the disk you pad could start forming a groove in it when braking and cause issue and maybe a locked wheel.

Better safe than sorry. Check it.

coolman · 07-27-2009, 12:29 PM

Was the car pulling to one side when this was happening? I know this is a dumb question but did you have the e bake fully released?

Paperer · 07-27-2009, 12:35 PM

Yeah, you guys may be right, they've been doing a ton of road work everywhere around here, odds are it was some rock or other debris from all the work they're doing.

I'll go take a peek and see if there's any noticeable wear.

07-27-2009, 01:45 AM	#1
Paperer Ragin' Cajun Drives: '02 Camaro SS - '10 CGM 2SS/RS Join Date: Jul 2008 Location: Texas/Oklahoma Posts: 1,166 View My Garage	Horrible Brake Squeal Okay, going down the highway, and all of the sudden, the left brake begins to make an awful squeal as if it's locking up, I'm not far from home, so I turn around. It's just basically screaming the highest pitch you could think of all the way back at any speed. I park and look at it, then I decide to head to the dealership. I get a quarter mile down the road, and it stops, I drive around some more and everything is good. Anyone have any idea what could have caused this? It only as about 500 miles on it. You couldn't feel the brake or anything, it wasn't holding back much at all. It was just the highest pitch noise you could think of. A person in front of me pulled over because they thought something was wrong with their vehicle. I've read that it could be brake dust??? Oh, it's a CGM 2SS/RS __________________

07-27-2009, 10:19 AM	#3
Mr Twisty Drives: the 2nd amendment home Join Date: May 2008 Location: OK Posts: 14,707	That was the LS3 telling you you're hitting the wrong pedal! OK, seriously, the other response was probably correct. You can keep an eye on that rotor, make sure it isn't wearing strange. __________________ "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin

07-27-2009, 12:12 PM	#5
Scott@Bjorn3D Drives: Kami, 2013 2SS LS3 Luvin Join Date: Oct 2008 Location: Eufaula, Alabama Posts: 6,427	I would tonight park the car and let it cool off for 1 hour or so. The crawl down by the wheel and feel the surface front and back of the disk to make sure it did not get a groove cut in it. I have seen small rocks get in between the pad and disc and do some major damage to the disc. If it cut a deep groove in the disk you pad could start forming a groove in it when braking and cause issue and maybe a locked wheel. Better safe than sorry. Check it. Last edited by Scott@Bjorn3D; 07-27-2009 at 12:38 PM.

07-27-2009, 12:35 PM	#7
Paperer Ragin' Cajun Drives: '02 Camaro SS - '10 CGM 2SS/RS Join Date: Jul 2008 Location: Texas/Oklahoma Posts: 1,166 View My Garage	Yeah, you guys may be right, they've been doing a ton of road work everywhere around here, odds are it was some rock or other debris from all the work they're doing. I'll go take a peek and see if there's any noticeable wear. __________________

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07-27-2009, 09:34 AM	#2
firestone_ss Drives: 2010 camaro ss Join Date: May 2009 Location: Tacoma WA Posts: 779	my GUESS is you had some type of debri wedged in between the pad and rotor and it worked its way out,rock,pebble dirt that kind of stuff,not uncommon

07-27-2009, 10:55 AM	#4
CamaroSkooter Retarded One-Legged Owl Drives: 2010 Black Camaro 2SS Join Date: Oct 2008 Location: San Antonio, TX Posts: 9,745	Did your caliper weights fall off?

07-27-2009, 12:29 PM	#6
coolman Guest Join Date: Jun 2009 Location: PA Posts: 4,812	Was the car pulling to one side when this was happening? I know this is a dumb question but did you have the e bake fully released?