1980 corvette brakes

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  #1  
Old 04-06-11, 11:16 AM
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1980 corvette brakes

Have an 80 corvette with the following brake problem. Pedal goes most of the way to the floor. Can stop the car but I dont think it is working properly. Could this be a bad master cylinder or brake booster?
 
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Old 04-06-11, 11:27 AM
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Brake booster failure normally give extremely hard pedal pressure required to stop. I'd suspect the master. We have a couple of guys that have owned Vettes (I know..owners probably don't call them that...lol) they should be around...
 
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Old 04-06-11, 02:12 PM
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I second gunguy; sounds like the master. Does it improve any if you pump them?

And no, not an owner; towed plenty of them, though (and I did stay at a Holiday Inn Express last night).
 
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Old 04-06-11, 05:40 PM
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well, actually, my infamous Taurus had pedal going down to the floor along with hiss and brake booster failure. leaking diaphragm. that's why i always mention this when a pedal to the floor situation occurs. apparently, baire is aware of that too.
 
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Old 04-06-11, 05:43 PM
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ukrbyk...did you get my PM?
 
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Old 04-06-11, 05:50 PM
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here's a cool info on how BB works. irrelevant. just cool.

HowStuffWorks "How Power Brakes Work"
 
  #7  
Old 04-09-11, 09:57 PM
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With the engine off pump the brake pedal 3-4 times then while holding pressure on the pedal start the engine. If the booster is working you will feel the pedal drop a little. Its most likely the MC. And no I never owned a vette, having to work on them cured me of that.
 
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