Econoline E550 V10-6.8L VIN S (2003)
Hydraulic Brake Booster: Description and Operation
Brake Booster - Hydro-Max
Brake Booster - Hydro-Max
The Hydro-Max power brake system is composed of a hydraulic-powered booster, a mini master cylinder, a reserve system electric motor pump, a
relay, an electric monitor and an integral pressure differential switch.