Brake Proportioning/Combination Valve: Service and Repair
PROPORTIONING VALVEINSTALLATION
1. Install the proportioning valve to the master cylinder.
2. Tighten the flare nuts and bleed the system.
Tightening torque
Brake tube flare nut: 13 - 17 Nm (130 - 170 kgf-cm, 10 -12 ft. lbs.)
Proportioning valve mounting nut: 35 - 55 Nm (350 - 550 kgf-cm, 26 - 41 ft. lbs.)