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Topic: Emergency brake light

in Forum: C3 Handling Components


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Emergency brake light (1/4)
 4/5/09 10:45pm
ossw1
Former Member

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Rocklin, CA - USA

Vette(s):
1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.


Joined: 4/2/2005
Posts: 484

I took the back wheels off to bleed the back brakes and then I took a wire brush to clean up the back calipers. Now my emergency light stay on.  Did I do something to make this happen. I must-av because it did do that until I did that.
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Emergency brake light (2/4)
 4/6/09 1:25am
stingrayjim jrLifetime Member
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SHELBYVILLE, TN - USA

Vette(s):
1976 L48 auto

1978 L82 4speed

1994 LT1 6speed


Joined: 7/5/2002
Posts: 3942

since you bled the brakes, your pedal traveled further than usual.. and i've ran into that problem with the 76, sometimes the bias (proportion) valve sometimes sticks a little, causing the pedal to travel further and light to come on(unless the switch on the parking brake is stuck...) .  I've gotten it to go off by sharply hitting the brake pedal... sometimes the valve sticks a little, and a good sharp pump or two brings it back.  From what i know, the proportion valve is suppose to block off the front or rear brakes should a loss of pressure happens to that end, allowing some braking to the "good" end...    otherwise, the parking brake switch is stuck, its under the cover with the parking brake lever,  should be a switch off to the side of the lever much like a door light switch...



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Emergency brake light (3/4)
 4/6/09 8:07am
Adams' AppleLifetime Member
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Duncanville, TX - USA

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


Joined: 11/8/2003
Posts: 20126

I think Jimmy's right....with the bleeding of the brakes, you probably got the p-valve to "flip". A couple of quick, firm pops on the brake pedal should re-set the light, if the brakes are truly air-free.
Be sure to look and see if the parking brake lever is up, too.

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Joel Adams
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Emergency brake light (4/4)
 4/6/09 2:43pm
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion


Joined: 10/14/2003
Posts: 1165

You should bleed all 4 wheels since you only bleed the rear and if there is still air in the front you could have uneaqual presure which would trip the perpositional valve. their is a couple of good past forum post covering this
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