Chevrolet Sonic Repair Manual: Brake Pressure Modulator Valve Pipe Replacement

Removal Procedure

Warning:

Refer to Brake Fluid Irritant Warning.

Caution:

Refer to Brake Fluid Effects on Paint and Electrical Components Caution.

Caution:

Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

1. Remove the battery. Refer to Battery Replacement.
2. Clean the area surrounding the brake pressure modulator valve (BPMV) of any accumulated dirt and debris.


3. Disconnect the master cylinder secondary brake pipe fitting (1) from the master cylinder.
4. Plug the master cylinder outlet port to prevent brake fluid loss and contamination.


5. Disconnect the master cylinder secondary brake pipe fitting (1) from the BPMV.
6. Plug the BPMV inlet port to prevent brake fluid loss and contamination.
7. Remove the master cylinder secondary brake pipe assembly.


8. Disconnect the master cylinder primary brake pipe fitting (1) from the master cylinder.
9. Plug the master cylinder outlet port to prevent brake fluid loss and contamination.


10. Disconnect the master cylinder primary brake pipe fitting (1) from the BPMV.
11. Plug the BPMV inlet port to prevent brake fluid loss and contamination.
12. Remove the master cylinder primary brake pipe assembly.

Installation Procedure

1. Install the master cylinder primary brake pipe assembly.



Caution:

Refer to Fastener Caution.

2. Connect the master cylinder primary brake pipe fitting (1) to the BPMV and tighten to  18 Y (13 lb ft)

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3. Connect the master cylinder primary brake pipe fitting (1) to the master cylinder and tighten to  18 Y (13 lb ft)

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4. Install the master cylinder secondary brake pipe assembly.


5. Connect the master cylinder secondary brake pipe fitting (1) to the BPMV and tighten to  18 Y (13 lb ft)

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6. Connect the master cylinder secondary brake pipe fitting (1) to the master cylinder and tighten to  18 Y (13 lb ft)

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7. Install the battery. Refer to Battery Replacement.
8. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding.