Hard brake pedal in a 68 Why? Help! - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 3 (permalink) Old 06-19-06, 05:48 PM Thread Starter
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Hard brake pedal in a 68 Why? Help!

I have a 68 with power disc brakes. The brake pedal is hard a s a rock. With the booster hooked up to vacuum, they grab hard with just a slight touch. Then the pedal is rock hard. If I disconnect the vacuum, the pedal is hard as a rock as well. There is about a half inch of play. The car does slow without the vacuum, but it is almost impossible to stop. What makes the pedal soo darn hard?

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post #2 of 3 (permalink) Old 06-19-06, 06:28 PM
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Re: Hard brake pedal in a 68 Why? Help!

Quote:
Originally Posted by windsor
I have a 68 with power disc brakes. The brake pedal is hard a s a rock. With the booster hooked up to vacuum, they grab hard with just a slight touch. Then the pedal is rock hard. If I disconnect the vacuum, the pedal is hard as a rock as well. There is about a half inch of play. The car does slow without the vacuum, but it is almost impossible to stop. What makes the pedal soo darn hard?
place you foot on the pedal , start the car, does the pedal lift a little ?
if not then I expect your booster is faulty / leaking .
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post #3 of 3 (permalink) Old 06-24-06, 03:18 AM
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Re: Hard brake pedal in a 68 Why? Help!

Quote:
Originally Posted by windsor
I have a 68 with power disc brakes. The brake pedal is hard a s a rock. With the booster hooked up to vacuum, they grab hard with just a slight touch. Then the pedal is rock hard. If I disconnect the vacuum, the pedal is hard as a rock as well. There is about a half inch of play. The car does slow without the vacuum, but it is almost impossible to stop. What makes the pedal soo darn hard?
Is it the same car as you posted about on the 15/06 under"mustang brake probs, need help"?

That problem sounds like a rubber "washer" missing from inside booster.
This post sounds like booster failure.

whatever it is, you need to get an expert to fix it.
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