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02-17-2007, 05:26 PM
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#1 |
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still buypickupparts
Join Date: Sep 2003
Location: charlotte
Posts: 637
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my power brakes
I have disc on the front drum on the back while I drive and apply brakes sometimes the peddleand brake funtions normally, but I could drive 3 more blocks and apply brakes and man the peddle is hard and it seems there is hardly any brake. then I could drive 6 more miles with normal brake and peddle and then well maybe they are still and maybe not, can you guys help me out with this, because someday, well Im not gonna finnish that sentence
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Its Gonna be a Great Day, I woke up this Morning. 72 SWB Fleetside freshly painted. putting a 94 LT1 with 700R4 tranny lowered 4 in the front 6 in the back 81 chevy half ton 350 89 Silverado 4x4 going ta church truck |
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02-17-2007, 05:35 PM
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#2 |
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Msgt USAF Ret
  
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,709
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Re: my power brakes
I vote for a vacuum or booster problem. Do you have a big cam? If so you may not be getting enough vacuum all the time to operate the booster.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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02-17-2007, 05:44 PM
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#3 |
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still buypickupparts
Join Date: Sep 2003
Location: charlotte
Posts: 637
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Re: my power brakes
no its just a stock crate motor cam
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Its Gonna be a Great Day, I woke up this Morning. 72 SWB Fleetside freshly painted. putting a 94 LT1 with 700R4 tranny lowered 4 in the front 6 in the back 81 chevy half ton 350 89 Silverado 4x4 going ta church truck |
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02-17-2007, 06:01 PM
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#4 |
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Account Suspended
Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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Re: my power brakes
my vote's with the booster as well..not holding vacuum. or building enough vacuum to operate correctly. how's the rubber grommit around the check valve. is the booster new or old?
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02-17-2007, 06:08 PM
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#5 |
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still buypickupparts
Join Date: Sep 2003
Location: charlotte
Posts: 637
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Re: my power brakes
the booster is factory the rubber vacuum seal for the vacuum line i dont knoe it looks ok but I dont realy know
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Its Gonna be a Great Day, I woke up this Morning. 72 SWB Fleetside freshly painted. putting a 94 LT1 with 700R4 tranny lowered 4 in the front 6 in the back 81 chevy half ton 350 89 Silverado 4x4 going ta church truck |
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02-17-2007, 06:27 PM
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#6 |
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Registered User
Join Date: Aug 2005
Location: Pasadena,Tx /Pto Pta DR
Posts: 5,415
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Re: my power brakes
I Agree With All The Above. You Can Disconnect The Vacuum Hose. Stick A Gauge On It And See What You Reading Is. If Its Less Than 14 -15 Inches Replace The The Fittings And Hoses. If More The Diaphram Is Bad. I Will Bet Its Your Hoses Being That It Happens Only Sometimes
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