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In Reply To: 1957 chevy dump truck booster?

Date Thu Dec 25 2003 20:41

Author Lee (xenonlamp@techie.com)

1957 Chevrolet C6400 (16000 lb GVW, dual rear wheels). Single cylinder master cylinder is below floor, and its pressure line feeds a canister; same canister also has a vacuum line going to it. output of the canister is 2 lines, which as tee'd into a total of 4 lines, one line for each wheel. I fill the master cylinder, and press the pedal - nothing. I press the pedal 5-6 more times, the master cylinder is now empty. I refill the master cylinder, repeat the process, the fluid just disappears. I've checked the 4 wheels for fluid, nothing. I could pour in a quart of brake fluid, and never see a drop at the wheels. Vacuum booster is too corroded for repairs, I think I need a new booster. Anyone have any ideas? I pulled the vacuum line

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