Section 12 (BENDIX - Hydraulic Brake Booster): Description
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1992 GMC Yukon, 1992 GMC Vandura Special, 1992 GMC Vandura, 1992 GMC Value Van, and 1992 GMC Suburban. However, it is still accessible from the selected car via links, so may be relevant.
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.