November 22, 2011Hello i have a 78 f-250 4x4 and just got it out to get it ready for plowing and the brake pedal goes to floor and wont return, it doesnt have a leak in line put new calipers and lines on last year, been parked all summer pretty much.could the booster have quit?
Subscribers : bigdawg822
November 27, 2011yea
more than likely the booster gave up
February 20, 2015The brake booster could be the problem. Most boosters that go bad usually make a "whooshing sound" with the truck running and brake applied.