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Topic: Brake squeak

in Forum: C3 Engines, Driveline and Handling


Brake squeak

Posted: 9/2/06 5:55pm Message 11 of 15
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Morehead City, NC - USA
Joined: 7/16/2005
Posts: 31
Vette(s): 1978 Silver Anniv L-82 Oyster interior

Joel,

Let me open another can of worms - the AutoZone guy said that carbon metallics are a type of semi-metallic. Was he blowin smoke up my a**?  I'm guessing yes. With that in mind - any particular brand you recommend? Do I need to just ask for semi-metallic, or is there any other name that could be used? Thanks




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Brake squeak

Posted: 9/2/06 6:20pm Message 12 of 15
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Greensburg, IN - USA
Joined: 9/24/2003
Posts: 5189
Vette(s): Previous: 1984 Coupe, 1988 Maroon Coupe, 1989 Coupe, 2001 Roadster Present: 1967 Stingray Roadster, 1976 Stingray Coupe, 1989 Roadster..
Todd (Nice lookin ride),

Naw, he was tellinya the truth, hence forth the name "carbon-metallic". If yer just wantin ta get rid of the skweek (Joels term) go after the 2 tasks he metioned and it'll go away. Then ya can just ride out the pads as intended.

Dave,

I really liked this analogy!!!

I think it is the metalic pads. Not as forgiving as the old aspestos pads. They squeek, but you won't get cancer of the lung. Unless you smoke....your tires.


Brake squeak

Posted: 9/2/06 7:12pm Message 13 of 15
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
Posts: 6424
Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!

Each pad material has its own surface friction area.  When it interacts with the metal it sets up a vibration, hence the squeal.  You may also want to be sure to lube the tips of the pads where they touch the calipers.  Also you can get a antisqueel compound and apply to the piston side of the pads.  Anything to absorb the vibration will help.

The C5 and C6 use the carbon metallic.  Very good stopping power with a lot of heat resistance.  Also used on aircraft and UPS trucks.

I just have the standard organic pads on my car, and they are quiet.  But follow any of the above suggestions and it may help.




Brake squeak

Posted: 9/3/06 4:00pm Message 14 of 15
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20225
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
I like the organics, too, but then, I hardly ever drive the '74.
On the subject of using an antiskweel compound, that werks otay, too. The problem I have found with that is, it sticks the pads to the pistons, and unless your rotors are perfectly parallel(ie. not warped), it seems to create a more pronounced "pumping" action of the pistons, allowing even more air into the system than normal. I think using the "cushion/anti-noise" pads, that go on the backs of the brake pads are a better choice for the brake systems on our Sharks. That's just me...

Discussion?...Debate?



Joel Adams
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Brake squeak

Posted: 9/3/06 8:00pm Message 15 of 15
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
Posts: 6424
Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!
Joel you are correct.  But if you have o-ring calipers (I dont) it won't be a problem.


in Forum: C3 Engines, Driveline and Handling


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