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Home >> Ford >> 2000 >> Excursion 7.3 F, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Component Tests >> Hydro-Boost >> Reserve

Component Tests: Hydro-Boost: Reserve

CAUTION: DO NOT hold brake pedal with 100 lbs. (45 kg) of force for longer than 5 seconds at a time. DO NOT hold valve closed for more than 5 seconds. Damage to pump will result.

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.

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