Brake issues - The 1947 - Present Chevrolet & GMC Truck Message Board Network

fbnwest · 09-13-2010, 03:47 PM

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

09-13-2010, 03:47 PM	#1
fbnwest Registered User Join Date: Sep 2010 Location: Spotsylvania Va Posts: 2	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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