Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

1. Remove the engine control module (ECM) cover (1).



2. Disconnect the brake master cylinder secondary inlet brake pipe fitting (1).

Cap the brake pipe fitting to prevent brake fluid loss and contamination.




3. Disconnect the RF brake pipe fitting (1).

Cap the brake pipe fitting to prevent brake fluid loss and contamination.




4. Disconnect the LR brake pipe fitting (1).

Cap the brake pipe fitting to prevent brake fluid loss and contamination.




5. Disconnect the RR brake pipe fitting (1).

Cap the brake pipe fitting to prevent brake fluid loss and contamination.




6. Disconnect the LF brake pipe fitting (1).

Cap the brake pipe fitting to prevent brake fluid loss and contamination.




7. Disconnect the brake master cylinder primary inlet brake pipe fitting (1).

Cap the brake pipe fitting to prevent brake fluid loss and contamination.




8. Loosen, but do not remove, the upper proportioning valve bracket bolt (1).



9. Remove the lower proportioning valve bracket bolt (1).



10. Lift the proportioning valve and bracket assembly (1) and remove the assembly from the vehicle.

1. Install the proportioning valve and bracket assembly (1) to the vehicle.

Caution: Refer to Fastener Caution in the Preface section.




2. Install the lower proportioning valve bracket bolt (1) and tighten to 25 N·m (18 lb ft).



3. Tighten the upper proportioning valve bracket bolt (1) to 25 N·m (18 lb ft).



4. Connect the brake master cylinder primary inlet brake pipe fitting (1) and tighten to 21 N·m (15 lb ft).



5. Connect the LF brake pipe fitting (1) and tighten to 21 N·m (15 lb ft).



6. Connect the RR brake pipe fitting (1) and tighten to 21 N·m (15 lb ft).



7. Connect the LR brake pipe fitting (1) and tighten to 21 N·m (15 lb ft).



8. Connect the RF brake pipe fitting (1) and tighten to 21 N·m (15 lb ft).



9. Connect the brake master cylinder secondary inlet brake pipe fitting (1) and tighten to 21 N·m (15 lb ft).



10. Install the ECM cover (1).
11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.