Power Brake Unit Push Rod
This adjustment is normally required only when master cylinder is replaced. Remove master cylinder. See MASTER BRAKE CYLINDER under REMOVAL & INSTALLATION. Position Adjustment Gauge (T87C-2500-A) onto master cylinder. Loosen set screw on gauge. Position gauge plunger against bottom of primary piston. See Fig 1 . Invert gauge and position onto power booster. Observe clearance between gauge and power booster push rod. Adjust push rod length until clearance is zero.