Brake Pressure Modulator Valve Replacement (With JL4)

Brake Pressure Modulator Valve Replacement (With JL4)

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 (Brake Fluid Effects on Paint and Electrical Components Caution).

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
3. Remove the 2 brake modulator shield mounting nuts, if equipped.
4. Remove the brake modulator shield mounting bolt and the shield.
5. Remove all dirt and debris from the electronic brake control module (EBCM) and the brake pressure modulator valve (BPMV) before loosening or removing any of the components.
6. Disconnect the electrical connector from the EBCM.
7. If equipped with AWD, remove the LF suspension torsion bar. Refer to Torsion Bar and Support Assembly Replacement (Service and Repair).




8. Disconnect the rear master cylinder brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.




9. Disconnect the front master cylinder brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.




10. 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.




11. 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.




12. 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.




13. 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.




14. Remove the BPMV bracket bolts (1).
15. Remove the BPMV and bracket assembly from the vehicle.




16. Remove the BPMV bolt (1).




17. Remove the BPMV assembly (1) from the bracket.
18. If installing a new BPMV, remove the EBCM. Refer to Electronic Brake Control Module Replacement (Service and Repair).

Installation Procedure




1. Install the EBCM, if removed. Refer to Electronic Brake Control Module Replacement (Service and Repair).
2. Install the BPMV assembly (1) to the bracket.

Caution: Refer to Fastener Caution (Fastener Caution).




3. Install the BPMV bolt (1) and tighten to 11 Nm (97 lb in).




4. Install the BPMV and bracket assembly to the vehicle.
5. Install the BPMV bracket bolts (1) and tighten to 25 Nm (18 lb ft).




6. Connect the RR brake pipe fitting (1) and tighten to 25 Nm (18 lb ft).




7. Connect the LR brake pipe fitting (1) and tighten to 25 Nm (18 lb ft).




8. Connect the RF brake pipe fitting (1) and tighten to 25 Nm (18 lb ft).




9. Connect the LF brake pipe fitting (1) and tighten to 25 Nm (18 lb ft).




10. Connect the front master cylinder brake pipe fitting (1) and tighten to 25 Nm (18 lb ft).




11. Connect the rear master cylinder brake pipe fitting (1) and tighten to 25 Nm (18 lb ft).
12. Install the brake modulator shield, if equipped.
13. Install the brake modulator shield bolt and tighten to 25 Nm (18 lb ft).
14. Install the 2 brake modulator shield nuts and tighten to 25 Nm (18 lb ft).
15. If equipped with AWD, install the LF suspension torsion bar. Refer to Torsion Bar and Support Assembly Replacement (Service and Repair).
16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
17. Bleed the antilock brake system. Refer to Antilock Brake System Automated Bleed Procedure (Service and Repair).