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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Brake Pressure Modulator Valve Replacement

Brake Pressure Modulator Valve Replacement With JL4

Removal Procedure

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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  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.

    8. Object Number: 2001465 Size: SH
  8. Disconnect the rear master cylinder brake pipe fitting (1).

    9. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.


    Object Number: 2001466 Size: SH
  9. Disconnect the front master cylinder brake pipe fitting (1).

    10. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.


    Object Number: 2001469 Size: SH
  10. Disconnect the LF brake pipe fitting (1).

    11. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001471 Size: SH
  11. Disconnect the RF brake pipe fitting (1).

    12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001474 Size: SH
  12. Disconnect the LR brake pipe fitting (1).

    13. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001477 Size: SH
  13. Disconnect the RR brake pipe fitting (1).

    14. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001479 Size: SH
  14. Remove the BPMV bracket bolts (1).
  15. Remove the BPMV and bracket assembly from the vehicle.

    16. Object Number: 2001482 Size: SH
  16. Remove the BPMV bolt (1).

    17. Object Number: 2001484 Size: SH
  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.

Installation Procedure

    Object Number: 2001484 Size: SH
  1. Install the EBCM, if removed. Refer to Electronic Brake Control Module Replacement.
  2. Install the BPMV assembly (1) to the bracket.

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2001482 Size: SH
  3. Install the BPMV bolt (1) and tighten to  11 N·m (97 lb in).

    4. Object Number: 2001479 Size: SH
  4. Install the BPMV and bracket assembly to the vehicle.
  5. Install the BPMV bracket bolts (1) and tighten to  25 N·m (18 lb ft).

    6. Object Number: 2001477 Size: SH
  6. Connect the RR brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    7. Object Number: 2001474 Size: SH
  7. Connect the LR brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    8. Object Number: 2001471 Size: SH
  8. Connect the RF brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    9. Object Number: 2001469 Size: SH
  9. Connect the LF brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    10. Object Number: 2001466 Size: SH
  10. Connect the front master cylinder brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    11. Object Number: 2001465 Size: SH
  11. Connect the rear master cylinder brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).
  12. Install the brake modulator shield, if equipped.
  13. Install the brake modulator shield bolt and tighten to  25 N·m (18 lb ft).
  14. Install the 2 brake modulator shield nuts and tighten to  25 N·m (18 lb ft).
  15. If equipped with AWD, install the LF suspension torsion bar. Refer to Torsion Bar and Support Assembly Replacement.
  16. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  17. Bleed the antilock brake system. Refer to Antilock Brake System Automated Bleed Procedure.

Brake Pressure Modulator Valve Replacement Without JL4

Removal Procedure

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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the 2 brake modulator shield mounting nuts, if equipped.
  4. Remove the brake modulator shield bolt and the brake modulator 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.

    8. Object Number: 2001485 Size: SH
  8. Disconnect the front master cylinder brake pipe fitting (1).

    9. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.


    Object Number: 2001487 Size: SH
  9. Disconnect the rear master cylinder brake pipe fitting (1).

    10. Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.


    Object Number: 2001488 Size: SH
  10. Disconnect the rear brake pipe fitting (1).

    11. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001489 Size: SH
  11. Disconnect the RF brake pipe fitting (1).

    12. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001492 Size: SH
  12. Disconnect the LF brake pipe fitting (1).

    13. Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.


    Object Number: 2001494 Size: SH
  13. Remove the BPMV bracket bolts (1).
  14. Remove the BPMV and bracket assembly from the vehicle.

    15. Object Number: 2001495 Size: SH
  15. Remove the BPMV bolt (1).

    16. Object Number: 2001484 Size: SH
  16. Remove the BPMV assembly (1) from the bracket.
  17. If installing a new BPMV, remove the EBCM. Refer to Electronic Brake Control Module Replacement.

Installation Procedure

    Object Number: 2001484 Size: SH
  1. Install the EBCM to the BPMV, if removed. Refer to Electronic Brake Control Module Replacement.
  2. Install the BPMV assembly (1) to the bracket.

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2001495 Size: SH
  3. Install the BPMV bolt (1) and tighten to  11 N·m (97 lb in).

    4. Object Number: 2001494 Size: SH
  4. Install the BPMV and bracket assembly to the vehicle.
  5. Install the BPMV bracket bolts (1) and tighten to  25 N·m (18 lb ft).

    6. Object Number: 2001492 Size: SH
  6. Connect the LF brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    7. Object Number: 2001489 Size: SH
  7. Connect the RF brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    8. Object Number: 2001488 Size: SH
  8. Connect the rear brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    9. Object Number: 2001487 Size: SH
  9. Connect the rear master cylinder brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).

    10. Object Number: 2001485 Size: SH
  10. Connect the front master cylinder brake pipe fitting (1) and tighten to  25 N·m (18 lb ft).
  11. Install the brake modulator shield, if equipped.
  12. Install the brake modulator shield nuts and tighten to  25 N·m (18 lb ft).
  13. Install the brake modulator shield bolt and tighten to  25 N·m (18 lb ft).
  14. If equipped with AWD, install the LF suspension torsion bar. Refer to Torsion Bar and Support Assembly Replacement.
  15. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  16. Bleed the antilock brake system. Refer to Antilock Brake System Automated Bleed Procedure.