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Topic: Rear Brake Problem

in Forum: C4 Handling Components

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Rear Brake Problem

Posted: 3/16/19 8:35pm Message 1 of 7
Gus
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Posts: 4
When backing rear brakes lock up (not always) - I can drive forward a few feet, then reverse again about 5 to 10 feet and the rear brakes lock up - this only happens when I feather the brakes- if I apply no pedal no lockup


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Re: Rear Brake Problem

Posted: 3/17/19 10:44am Message 2 of 7
Black Shark
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Joined: 3/20/2009
Posts: 611
Vette(s): Black 1979 L-82 Black 1996 LT1 Black 1999 Coupe
Take the time to service and inspect the brakes on every wheel.
 
This includes removing the calipers from mount, maintenance inspection, sanding off surface rust and corrosion on caliper slide areas, using correct amount of lube in caliper slide locations, re-assemble.
Road test.
Costs nothing but time.
Will probably fix the problem for free.
 
If not, bring it to a pro.



Re: Rear Brake Problem

Posted: 3/18/19 6:43pm Message 3 of 7
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Adams' Apple
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Duncanville, TX - USA
Joined: 3/18/2009
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Vette(s): 1985 Coupe-L98/Auto,Bright Red/Carmine. 1974 Coupe-L48/4speed, Medium Red Metallic/Black Deluxe.
Chances are one(or both) of the calipers is missing a bolt, and when you go into reverse, then hit the brake, the caliper is rotating into the wheel, locking the wheel down. When you pull forward, the caliper turns back to where it should be, and works properly. See it all the time. Get the rear in the air, pull the wheels, and you'll likely find one of the caliper bolts are gone....and prolly see some gouging on the inside of the rim. Thumbs Up


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Re: Rear Brake Problem

Posted: 3/21/19 8:56am Message 4 of 7
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Barn find
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Lakeville, MA - USA
Joined: 4/19/2014
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Vette(s): 1987 convertible
I have also heard of the rubber brake lines causing that problem. If they are old replace them.


Re: Rear Brake Problem

Posted: 3/22/19 7:33am Message 5 of 7
Gus
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Joined: 3/16/2019
Posts: 4
It was a missing bolt on the mount bracket


Re: Rear Brake Problem

Posted: 3/22/19 7:47am Message 6 of 7
Gus
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Joined: 3/16/2019
Posts: 4
It turned out to be exactly what you said-had slight scuff on the inside of rim but no problem-after inspection of full brake system found only one bolt under torqued-All is well Thanks


Re: Rear Brake Problem

Posted: 3/22/19 7:55am Message 7 of 7
Gus
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Joined: 3/16/2019
Posts: 4
Found a missing bolt on the mount bracket-after full inspection of brake system all is well-Thanks


in Forum: C4 Handling Components


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