what is procedure for bleeding brake booster ? on 2001 Ford F-250 Super Duty

hydralic brake booster whines real load and brake pedal is soft,need to replace brake booster.

by in Petroleum, WV on June 27, 2011
1 answer
ANSWER by , June 27, 2011
check the power steering fluid first. that is what runs the booster. if the pedal is soft, i would look at the brake system also for leaks or a bad master. Roy