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power disk brakes booster #2454131
02/19/18 09:03 PM
02/19/18 09:03 PM
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Florida
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mo71cuda Offline OP
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Florida
My brake pedal is hard, but no brakes. This is a power breaker booster failure? If so how to I test to confirm and who is the best to rebuild it?
The car is a 71 cuda 340
Thanks

Re: power disk brakes booster [Re: mo71cuda] #2454135
02/19/18 09:10 PM
02/19/18 09:10 PM
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Posts: 20,000
Rio Linda, CA
John_Kunkel Offline
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Did this just happen to a working system or is it a new installation?


I'm supposed to respect my elders, but its getting harder and harder for me to find one now.
Re: power disk brakes booster [Re: John_Kunkel] #2454137
02/19/18 09:12 PM
02/19/18 09:12 PM
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Posts: 541
Florida
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mo71cuda Offline OP
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Just happened, original system

Re: power disk brakes booster [Re: mo71cuda] #2454237
02/19/18 11:19 PM
02/19/18 11:19 PM
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Lincoln Nebraska
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RapidRobert Offline
Circle Track
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split the booster/MC & pull MC forward enough to eyeball the pushrod. eng idling. have a helper press the pedal. You under the hood see if the round nub threaded pushrod moves out/forward like it should. I'm thinking the booster (possibly the check valve).


live every 24 hour block of time like it's your last day on earth
Re: power disk brakes booster [Re: RapidRobert] #2454732
02/20/18 07:46 PM
02/20/18 07:46 PM
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Florida
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mo71cuda Offline OP
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Any additional input?
If the booster is bad who rebuilds them or sells replacements.
Thanks

Re: power disk brakes booster [Re: mo71cuda] #2454782
02/20/18 09:53 PM
02/20/18 09:53 PM
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Posts: 9,155
Sacramento CA
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Morty426 Offline
master
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Sacramento CA
Originally Posted By mo71cuda
Any additional input?
If the booster is bad who rebuilds them or sells replacements.
Thanks


Dewey Boosters - I think he is in Oregon.

However make sure you don't have a vacuum leak first.

Re: power disk brakes booster [Re: Morty426] #2455186
02/21/18 05:54 PM
02/21/18 05:54 PM
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Posts: 541
Florida
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mo71cuda Offline OP
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Dewey Boosters - I think he is in Oregon.

However make sure you don't have a vacuum leak first.


Thanks for the info green


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