Vacuum Brake Booster: Adjustments

Fig. 1 Sectional View Of Brake Booster:

The booster adjustment is performed on control rod (5) carrying the adjustment screw end. Fig. 1.

In the rest position, the screw end must project from the front booster surface by .032-.040 inch (.825-1.025 mm).
After adjustment, apply thread sealer to screw threads.