Brake Foundation Components problems of the 2000 Ford F-550

Consumer states that the brakes on the vehicle have failed twice within the last two weeks, the brake pedal will go all the way to the floor and the vehicle will continue to go forward with out slowing down and other times it will slow down. Contacted dealer and the dealer is not willing to do anything. Nlm.

Dealer had replaced brake system in July 2000 but did not advise consumer of the exact repairs that were made. Brakes failed again, dealer reviewed past history on their system, and voluntarily will replace entire braking system again without advising consumer again of exact repairs or receipt.

When applying brakes pedal resists and become very hard, causing brake failure, cause unknown. Please give any further details.