Parking Brake Adjustment: Pontiac
Depress parking brake pedal one notch on Catalina, Bonneville and Grand Safari models, or eight notches on all other models. Loosen lock nut and then turn adjusting nut. On Catalina, Bonneville and Grand Safari models, turn adjusting nut until rear wheels can just be turned forward and lock when turned rearward. On all other models, tighten adjuster nut until a slight-to-moderate drag is felt while rotating rear wheels. Tighten lock nut. No drag should be felt with parking brake released.