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Topic: brake noise

in Forum: C3 Engines, Driveline and Handling


brake noise

Posted: 1/8/05 8:53am Message 1 of 6
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Overton, TX - USA
Joined: 1/8/2005
Posts: 8
Vette(s): 1976 White with firethorn red interior
OK, here is a newbee that needs some help. Just bought 76 and trying to get in good shape. Previous owner had $389.00 worth of brake work done in Sept. 04. Sometimes after stopping, I have grinding, groaning noises from left rear. Sounds like rear end is about to fall out. Have also had same from right front occassionally. Feels like pads are not releasing from rotor until car starts moving. What are your suggestions. I did notice that after washing wheels, I made several stops before problem again started. THANKS! |bouncy|


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brake noise

Posted: 1/8/05 11:52am Message 2 of 6
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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!
There could be several issues here. You could have sticking calipers. Or you could have a pad compound that is reacting to the rotor surface. If it's only in the rear, you could have a parking brake acting up.
In any case the water can lube the affected parts and make them respond differently.
You just have to take them apart and take a look.


brake noise

Posted: 1/8/05 1:03pm Message 3 of 6
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BINGHAMTON, NY - USA
Joined: 7/19/2003
Posts: 3808
Vette(s): ......
Or you could do what my youngest son said to me once when he was little,Hey dad if your brakes are squeeking why do'nt you spray some WD-40 on them ? |laugh| |laugh| |laugh| |laugh|


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brake noise

Posted: 1/8/05 9:06pm Message 4 of 6
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Batavia, IL - USA
Joined: 3/27/2003
Posts: 622
Vette(s): 496 big block, Dragvette 6 link, 12 bolt IRS conversion, Going for fastest Vette IRS E/T
HA HA! Yea but I find coating the rotors and pad surfaces with automotive grease stops my sqeaking problem very well! But now my vette wont stop. I cant figure it out. |headscratch| |headscratch| |laugh| |laugh| |biggrin|


brake noise

Posted: 1/9/05 5:58am Message 5 of 6
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Joined: 12/16/2003
Posts: 630
If the flexible brake hoses are still original or very old could be the problem. They can deteriorate on the inside enough to act like a check valve and not let the calipers release. They certainly don't owe you much if they are the 29 year old originals at this point anyway.


brake noise

Posted: 1/9/05 6:13pm Message 6 of 6
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Australia
Joined: 5/6/2004
Posts: 535
Vette(s): 71 Coupe Black on Black
I had a similar problem on the back of my '71. The problem ended up being that the park brake shoe retaining clips had let go (probably just disintigrated over time with rust) allowing the shoes to rub on the inside of the hubs. Pulled it all apart and replaced bearings, seals and put a stainless steel kit in the park brakes (shoes were still ok). I had to do the bearings anyway and it's a good idea to do them while you've got it all apart 'cause you can't do the park brakes without taking the spindles out.

As far as the front noise goes, yeah, sticking caliper pistons, bearings, something loose or missing? |wavey| |wavey| Have fun 'cause the back end is very labourious but fun to do.


in Forum: C3 Engines, Driveline and Handling


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