Brake Proportioning/Combination Valve: Service and Repair

Removal Procedure





1. Disconnect the brake lines from the proportioning valves.
2. Remove the valves from the master cylinder body.

Installation Procedure

Important: Since these valves are adjusted in pairs to the correct control range, they must be replaced in pairs.





1. Install the proportioning valves to the cylinder body.
Tighten the proportioning valves to 22 Nm (16 ft. lbs.).
2. Connect the brake lines to the valves.
Tighten the brake lines to 16 Nm (12 ft. lbs.).
3. Raise and suitably support the vehicle.
4. Bleed the braking system.
5. Lower the vehicle.