Section 250 (Disc Brake System & Drum Brake System): Testing: Hydro-Boost: Reserve

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1997 Ford Pickup, 1997 Ford F-Super Duty, 1997 Ford Cab & Chassis, 1996 Ford Pickup, and 1996 Ford F-Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Charge system with pressure by holding steering wheel on steering stop or by holding brake pedal down with 100 lbs. (45 kg) of force for 5 seconds with engine idling. Turn engine off. After 8-12 hours, depress brake pedal with engine off. If power reserve is not present, replace Hydro-Boost unit.

CAUTION: DO NOT hold brake pedal with 100 lbs. (45 kg) of force for longer than 5 seconds at a time.