F 450 2WD Super Duty V10-6.8L VIN S (1999)
Vacuum Brake Booster: Description and Operation
The vacuum type power brake booster:
-
is a dual diaphragm, vacuum assisted power brake booster
-
reduces brake pedal force and travel distance.
-
is located on the LH side of the bulkhead in the engine compartment, between the brake pedal and the brake master cylinder.
-
is divided into separate chambers by the diaphragms.
-
will not operate if vacuum is restricted or if any of the vacuum related power brake components fail.
-
is replaced as an assembly.
If the power assist fails, the brake system will continue to operate with increased brake pedal effort.