Brake Pressure Modulator Valve Replacement (CTS)

Brake Pressure Modulator Valve Replacement (CTS)

Removal Procedure
Warning: Refer to Brake Fluid Irritant Warning Brake Fluid Irritant Warning.


Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution Vehicle Damage Warnings.

Caution: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.




1. Place the ignition switch in the OFF position.
2. Remove the RH front compartment sight shield. Refer to Front Compartment Sight Shields Replacement .
3. Thoroughly clean the area around the EBCM of all dirt and debris.
4. Disconnect the secondary brake pressure modulator valve (BPMV) inlet brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.




5. Disconnect the primary BPMV inlet brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
6. Remove the electronic brake control module (EBCM). Refer to Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (CTS) Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve ReplacementElectronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (CTS-V) Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement.




7. Disconnect the LF brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.




8. Disconnect the RR brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.




9. Disconnect the LR brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.




10. Disconnect the RF brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.




11. Remove the BPMV bolt (1).




12. Remove the BPMV (1).

Installation Procedure




1. Install the BPMV (1).





Caution: Refer to Fastener Caution Fastener Caution.

2. Install the BPMV bolt (1) and tighten to 12 Nm (106 lb in).




3. Connect the RF brake pipe fitting (1) and tighten to 20 Nm (15 lb ft).




4. Connect the LR brake pipe fitting (1) and tighten to 20 Nm (15 lb ft).




5. Connect the RR brake pipe fitting (1) and tighten to 20 Nm (15 lb ft).




6. Connect the LF brake pipe fitting (1) and tighten to 20 Nm (15 lb ft).
7. Install the electronic brake control module (EBCM). Refer to Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (CTS) Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve ReplacementElectronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement (CTS-V) Electronic Brake and Traction Control Module with Brake Pressure Modulator Valve Replacement.




8. Connect the primary BPMV inlet brake pipe fitting (1) and tighten to 32 Nm (24 lb ft).




9. Connect the secondary BPMV inlet brake pipe fitting (1) and tighten to 32 Nm (24 lb ft).
10. Install the RH front compartment sight shield. Refer to Front Compartment Sight Shields Replacement .
11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) Hydraulic Brake System Bleeding (Manual)Hydraulic Brake System Bleeding (Pressure) Hydraulic Brake System Bleeding (Pressure).
12. Perform the Antilock Brake System Automated Bleed Antilock Brake System Automated Bleed.
13. Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle.