Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Vacuum Brake Booster: Description and Operation
Description
Fig. 1 Delco Moraine single diaphragm power brake unitexploded view
Fig. 2 Delco Moraine single diaphragm power piston assembly exploded view
These power brake units, Figs. 1 and 2, are a combination vacuum-hydraulic brake booster of the vacuum suspended type which use engine intake
manifold vacuum and atmospheric pressure for its power.
