C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Break Problem - I must be stupid

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Old Aug 10, 2004 | 11:54 PM
  #1  
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Default Break Problem - I must be stupid

In the past week, I have changed the pads, changed the master cylinder, and I still have no breaks. I don't get the whistle from under the dash for a bad power break booster.

What I do have is a good feel to the pedal, but I have to push with both feet to get the car to stop. And then it is a very slow stop. And, when it does stop, it feels like the car shudders.

I am now totally lost as what to do. If I can't figure something out soon, it is going to have to go to a shop. What has me frustrated, is I have been doing my own break work for 30+ years and never encountered anything like this before.

HELP!!!!!!!!!!!!!!!!!!!!!!!
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Old Aug 11, 2004 | 12:16 AM
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From: eville in
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have you bleed them ?
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Old Aug 11, 2004 | 12:24 AM
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From: The Colony Tx
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5 or 6 times. Either I am doing this wrong or there is some other problem.
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Old Aug 11, 2004 | 01:30 AM
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Sounds like the booster to me.
Mine didn't make any whistle or noise when it went out.
But hard pedal uaually means booster.
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Old Aug 11, 2004 | 02:03 AM
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Originally Posted by 92corvette
Sounds like the booster to me.
Mine didn't make any whistle or noise when it went out.
But hard pedal uaually means booster.

BTW "brakes" stop a car
"breaks" is what happens when something stops working
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Old Aug 11, 2004 | 02:11 AM
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Originally Posted by flyersfan1088

BTW "brakes" stop a car
"breaks" is what happens when something stops working
Maybe he was just referring to his broken brakes all in one word. and Yep sounds like a booster .
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Old Aug 11, 2004 | 02:45 AM
  #7  
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Boost her. err Booster.
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Old Aug 11, 2004 | 07:49 AM
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From: eville in
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disable the booster and see if there is a diff... check the one-way check
valve in the line if you have one
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Old Aug 11, 2004 | 11:26 AM
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Default speaking of brakes....

I have a 95, 6 speed with FE1 suspension. I am trying to determine the size of the front rotors. They appear to be larger than rears = 12", but I can't tell and have not had the time to measure. Are all FE1 (stock susupension) front otors with 12" or the 13" rotors ?

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Old Aug 11, 2004 | 02:28 PM
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I had the same problem. Changing the brake fluid cured it. This has to be done with a pressure bleeder at 15 to 25 psi if you want to avoid problems. And the prime pipe/proportioning valve has to be bled first (located in the compartment behing the driver's seat).
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