PROPORTIONER Valves: Installation

Lubricate new O-rings and proportioner valve seals with silicone grease supplied in repair kit. Lubricate valve piston stems with silicone grease. Install new seals on valve pistons with lip facing up. Install valve piston assemblies and springs in master cylinder body. Install new O-rings in grooves on valve caps. Install valve caps and torque to 20 ft. lbs. (27 N.m).