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 35 - 44 Nm (26 - 33 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.