Spark

Brake Proportion Valve Replacement — Right Hand Drive

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. Place the ignition switch in the OFF position.
2. Remove the battery. Refer to Battery Replacement .
3. Remove the air cleaner and air inlet hose as an assembly to get easy tool access. Refer to Air Cleaner Assembly Replacement .
4. Remove the engine control module (ECM) bolts, and position the ECM and ECM bracket aside to get easy tool access. Refer to Engine Control Module Replacement .
5. Apply and release the brake pedal several times until the pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
6. Thoroughly clean the master cylinder reservoir and the master cylinder body to remove any dirt and debris.
7. Disconnect the brake fluid indicator switch electrical connector.



8. Syphon the brake fluid out of the master cylinder reservoir (1) using an air vacuum pump or a hand vacuum pump (2).



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

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

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

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




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

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

12. Disconnect the RR brake pipe fitting (2).

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

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

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

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

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




15. Remove the brake proportion valve retaining nut (1).
16. Remove the brake proportioning valve (2) from the vehicle.

1. Install the brake proportion valve (2) to the vehicle.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the brake proportion valve retaining nut (1) and tighten to 9 N·m (80 lb in).



3. Connect the LR brake pipe fitting (4) and tighten to 18 N·m (13 lb ft).
4. Connect the RF brake pipe fitting (3) and tighten to 18 N·m (13 lb ft).
5. Connect the RR brake pipe fitting (2) and tighten to 18 N·m (13 lb ft).
6. Connect the LF brake pipe fitting (1) and tighten to 18 N·m (13 lb ft).



7. Connect the master cylinder secondary inlet brake pipe fitting (2) and tighten to 18 N·m (13 lb ft).
8. Connect the master cylinder primary inlet brake pipe fitting (1) and tighten to 18 N·m (13 lb ft).
9. Connect the brake fluid indicator switch electrical connector.
10. Put the ECM and ECM bracket to the original position and install the ECM bracket bolts. Refer to Engine Control Module Replacement .
11. Install the air cleaner and inlet hose as an assembly. Refer to Air Cleaner Assembly Replacement .
12. Install the battery. Refer to Battery Replacement .
13. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding : Pressure → Manual .