Brake Proportioning/Combination Valve: Service and Repair

Brake Proportion Valve Replacement

Removal Procedure




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

Installation Procedure




Warning: Refer to Brake Fluid Warning (Dangers, Warnings, and Cautions).

Caution: Refer to Fastener Caution (Fastener Caution).

Note: 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 40 Nm (30 lb ft).

2. Connect the brake lines to the valves.

Tighten the brake lines to 16 Nm (12 lb ft).

3. Bleed the braking system. Refer to Hydraulic Brake System Bleeding (Service and Repair).