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09-13-2010, 03:47 PM
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#1 |
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Registered User
Join Date: Sep 2010
Location: Spotsylvania Va
Posts: 2
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Brake issues
I have a 1975 C30 with hydraulic brakes that are causing me no end of trouble. I was deployed for over a year before I got back to where the truck was parked, and now whenever you start the truck the front brakes automatically lock up. With the engine off everything works as it should.
I have gone through two new brake booster units, as I thought that was the problem. I figured the old one could have developed a problem over time, and maybe the first new one was defective, but now I am on the second new unit and the odds are higher that I am chasing the wrong fault. Anyone else ever have this problem or have any ideas what could be causing it? Thanks |
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09-13-2010, 09:20 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,288
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Re: Brake issues
my first guess would be the brake booster too but if youve changed that out how about the vacuum to it is that correct? also is this an instantaneous lock up or is it after you step on the brakes once or twice?
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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09-14-2010, 08:03 PM
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#3 |
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Registered User
Join Date: Sep 2010
Location: Spotsylvania Va
Posts: 2
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Re: Brake issues
As near as I can tell, its instantaneous. Without touching the pedal the brakes lock up. Just the front brakes though. Thanks for your help.
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