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07-04-2011, 01:33 PM
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#1 |
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Registered User
Join Date: Jul 2011
Location: Hot Springs, AR
Posts: 2
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72 GMC Brakes Hard as Heck
Hi all! My father recently passed away and I got into his old truck and the brakes require me to dang near stand on them to stop. About 6 months ago, he replaced the booster, m/c, and pads and the truck stopped like a champ. Then a couple months afterwards, he rebuilt to carb on it and had it tuned, etc. I'm not sure what may have caused this new wrinkle -- the "brake" light on the dash is on now (never used to be). It has a 400BB in it but that is about all I know about the old girl. I'm thinking a vacuum leak but, to be honest, I have no idea where to start. Penny for y'alls thoughts?
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07-04-2011, 01:42 PM
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#2 |
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Registered User
Join Date: Jun 2011
Location: Richmond,Va
Posts: 2,934
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Re: 72 GMC Brakes Hard as Heck
Check the booster and vacuum supply to see if it has a leak. Check to see if your wire is even connected to the propotioning valve for the "brake" light. Being hard would tell me you don't have assist.
__________________
Nick Carter 1967 C10 Short bed Fleetside Project Cheap Thrills! 2WD C10 Modern/Performance Alignments Easiest Alignment Ever! |
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07-04-2011, 02:58 PM
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#3 |
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Registered User
Join Date: Jul 2011
Location: Hot Springs, AR
Posts: 2
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Re: 72 GMC Brakes Hard as Heck
That's what I am thinking...just the one tube and metal tube coming from the booster to the rear of the carb to check for leaks?
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07-04-2011, 03:30 PM
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#4 |
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Registered User
Join Date: Jun 2011
Location: Richmond,Va
Posts: 2,934
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Re: 72 GMC Brakes Hard as Heck
Yeah, pull the hose off and check its condition. I figure as new as the booster is its probably not the cause.
__________________
Nick Carter 1967 C10 Short bed Fleetside Project Cheap Thrills! 2WD C10 Modern/Performance Alignments Easiest Alignment Ever! |
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