Brake Isse
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Brake Isse
I have a 1967 F600 grain truck - 330 V8 4-speed/2-speed. The truck has 24K original miles. I had trouble a few years ago with the brakes not working. No brakes at all. Mechanic installed a new master cylinder and vacuum booster. I was a bit shocked at the nearly $1000 price tag, especially since the problem came back within a month. If I left the truck set for an extended period of time, the master cylinder would be dry. I would fill up the brake fluid reservoir and start the truck. After several minutes, the brakes would be working.
I contacted the mechanic and he stated there must be a bad wheel cylinder to be losing that much fluid. There should be some evidence of fluid loss on the rim, but I cannot find any oil leaks. After the last bill, I was not willing to let him work on the truck again.
Since I only use this truck about 6 times a year, I not really looking to put a great deal of money into it. I drove it less than 50 miles last year. Any ideas on the brakes?
I contacted the mechanic and he stated there must be a bad wheel cylinder to be losing that much fluid. There should be some evidence of fluid loss on the rim, but I cannot find any oil leaks. After the last bill, I was not willing to let him work on the truck again.
Since I only use this truck about 6 times a year, I not really looking to put a great deal of money into it. I drove it less than 50 miles last year. Any ideas on the brakes?
Cargo Master
Joined: Oct 2011
Posts: 2,245
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From: Kenner,La.
brakes
John, Is the truck using a Hydrovac system, if so the fluid is draining into it and collecting in the bladder chamber. It is possible that the booster was rebuilt too many times, you may have to find a new one.
Kenny Nunez
Kenny Nunez
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Joined: Jun 1999
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If you're using it only at harvest, etc. you need to make sure your brakes are solid. Pull the wheels and check/replace all four wheel cylinders...also inspect the brake lines, you may have a leak in one of them. Put some fluid in the MC, and start routinely checking the system...the source of the leak should show itself.
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