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#103022 - 06/11/07 07:36 PM BRAKES
CABINETMKR Offline
Junior Member

Registered: 06/11/07
Posts: 2
Loc: INDIANA
I HAVE AN 85 VETTE THAT HAS A BRAKE PROBLEM
I HAVE CHANGED THE LINES,CALIPERS,PADS,ROTORS,AND THIS HAS NOT CORRECTED THE PROBLEM AS I DRIVE WITHIN 5 TO 7 MILES THE FRONT BRAKES START APPLING THEMSELVES AND BRING THE CAR TO A STOP
AND I HAVE A GREAT DEAL OF SMOKE AND HEAT COMING FROM THE WHEELS THIS IS ONLY HAPPENING ON THE FRONT BRAKES AND NOT THE BACKI DO NOT HAVE ABS AND I CAN'T SEEM TO FIND ANY ELECTRICAL TO THIS AREA. EVERY ONE OUT HERE IS GUESSING AND I DON'T KNOW WHERE TO LOOK NEXT PLEASE HELP mad mad mad mad banghead banghead

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#103023 - 06/11/07 09:25 PM Re: BRAKES
BruceF Offline
Full Throttle Member

Registered: 11/30/00
Posts: 5320
Loc: Long Island, NY
My thought is the booster. But, I'd suggest posting this at www.corvettemechanic.com The techs there are more experienced and should have good advice.

PS Typing in all caps is considered YELLING and is hard to read.
_________________________
99 Navy Blue Metallic, black interior, 6 spd, Z51, HUD, R8C (Museum Delivery featured in the Jan 02 issue of Vette)

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#103024 - 06/12/07 04:51 PM Re: BRAKES
cossak Offline
Full Throttle Member

Registered: 06/20/04
Posts: 686
Loc: Toronto, CANADA
Here is a possibility, I used to have an '87, and when I Would be stopped with my foot on the brake, the ABS would kick in, and keep trying to release one wheel. Turns out it was the a defective sensor in one wheel hub that kept reading lock up and wanted to release the brake. It might be the sensor doing the same to you, but the reverse action. the sensor is only around $30. worth a shot.

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#103025 - 06/13/07 08:59 PM Re: BRAKES
CABINETMKR Offline
Junior Member

Registered: 06/11/07
Posts: 2
Loc: INDIANA
unfortunatly 85 vette does not have abs

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#103026 - 08/30/07 02:28 PM Re: BRAKES
86Z51 Offline
Member

Registered: 11/24/01
Posts: 1089
Loc: arizona
If you have't solved this problem yet, the booster could be the problem: if you take the brake master cylinder off the booster (only two nuts are required), you'll see a rod coming out of the booster. This is what transfers pedal pressure to the master cylinder. It has a knurled knob on it which is a jam lock on the rod. If you loosen that and then rotate the rod so that it doesn't extend so far out of the booster, it might solve your problem. I was playing with this trying to reduce brake pedal free-play and ended up with a condition that sounded alot like yours. Adjustment is very sensitive, so make small adjustments.

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#103027 - 04/07/08 12:47 PM Re: BRAKES
motorman Offline
C5Forum Fanatic

Registered: 12/03/00
Posts: 658
Loc: pa
did you replace the rubber hoses to the front brakes because if these delaminate inside they will cause this problem
_________________________
corvette owner since 1959,new corvettes owned,59 62,63,64,65,66,97,99,02,05,2008 coupe, race engine builder,former NASCAR tech inspector

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