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Home >> GMC >> 2001 >> Yukon Denali >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Power Brake Booster - Hydro-Boost >> Description

Power Brake Booster - Hydro-Boost: Description

System uses power steering pump fluid pressure to operate booster. Master cylinder is mounted to output push rod of booster. Booster also has reserve system to provide at least 2 assisted braking applications. If reserve system is depleted, brakes can be applied manually.