FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Vacuum Brake Booster

With engine running, vacuum at 19.7 in Hg (500 mmHg) and a pedal force of 44 lbs. (22 kg), the output fluid pressure should be 171 psi (1,177 kPa).