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For 1990-2009 cars only

Brake Pressure Modulator Valve Replacement 310 ABS

Removal Procedure

  1. Remove the two fuse block mounting bolts from the EBCM bracket.

  2. Object Number: 620320  Size: SH
  3. Disconnect the electrical connector from the combination valve (9).
  4. Remove the front and rear brake pipes (from master cylinder) from the combination valve.
  5. Remove the right front, left front and rear brake pipes from the tube adapters (6).
  6. Remove the four 13 mm bolts that fasten the EHCU bracket (7) to the vehicle mounting bracket.
  7. Lift the EHCU partially out or the engine compartment.
  8. Disconnect the four electrical connectors from EBCM (2).
  9. Fully remove the EHCU from the vehicle.
  10. Remove the three Allen bolts (11) from the combination valve (12).
  11. Remove the combination valve (12).
  12. Important: Do not reuse the transfer tubes. Always install new transfer tubes.

  13. Remove the two transfer tubes (13).
  14. Remove the 13 mm bolts (9) that fasten the bracket to the BPMV.
  15. Remove the four T-25 TORX® bolts (1) from the EBCM.
  16. Important: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.

  17. Remove the EBCM (2) from the BPMV (4). Removal may require a light amount of force.

Installation Procedure


    Object Number: 620320  Size: SH
  1. Install the new transfer tubes (13) into the combination valve into the combination valve (9).
  2. Install the combination valve onto the BPMV (4).
  3. Notice: Refer to Component Fastener Tightening Notice in the Preface section.

  4. Install the three Allen bolts (11) that fasten the combination valve (12) to the BPMV (4).
  5. Tighten
    Tighten the three Allen bolts to 8 N·m (6 lb ft), then to 16 N·m (12 lb ft).

    Important: Do not reuse the old EBCM mounting bolts. Always install new mounting bolts with the new EBCM.

    Important: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.

  6. Install the EBCM gasket (3) onto the BPMV (4). Ensure gasket alignment is correct.
  7. Install EBCM (2) onto BPMV (4).
  8. Install the four new EBCM bolts (1).
  9. Tighten
    Tighten the four bolts to 5 N·m (39 lb in) in an X-pattern.

  10. Install EHCU (4) to bracket.
  11. Install the three BPMV (4) to bracket retaining bolts.
  12. Tighten
    Tighten the three bolts to 9 N·m (7 lb ft).

  13. Connect the four electrical connectors to the EBCM.
  14. Install the EHCU to the vehicle frame.
  15. Tighten
    Tighten the three bolts to 25 N·m (20 lb ft).

  16. Install the right front, left front and rear brake pipes to the tube adapters.
  17. Tighten
    Tighten the three brake pipe fittings to 29 N·m (22 lb ft).

  18. Install the front and rear brake pipes (from master cylinder) to the combination valve.
  19. Tighten
    Tighten the three brake pipe fittings to 29 N·m (22 lb ft).

  20. Connect the electrical connector to the combination valve.
  21. Install the two fuse block mounting bolts from the EBCM bracket.
  22. Important: Verify that the combination valve metering rod is depressed during bleeding.

  23. Bleed the brake system. Refer to Antilock Brake System Automated Bleed Procedure .
  24. Return to Diagnostic System Check .

Brake Pressure Modulator Valve Replacement 325 ABS

Removal Procedure

    Important: Thoroughly wash all contaminants from around the EHCU. The area around the EHCU must be free from loose dirt to prevent contamination of disassembled ABS components.

  1. Disconnect the two electrical harness connectors from the EBCM (2).
  2. Important: Make sure that brake lines are tagged and kept in order for proper reassembly.

  3. Disconnect the 5 brake lines from the BPMV (3).

  4. Object Number: 550743  Size: SH
  5. Remove 2 bolts (4) securing the BPMV mounting bracket (5) to the BPMV (3).
  6. Disconnect the 2 way ABS pump motor connector.
  7. Remove the four T-25 TORX® screws (1) from the EBCM (2).
  8. Important: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.

  9. Remove the EBCM (2) from the BPMV (3). Removal may require a light amount of force.
  10. Important: Do not reuse the EBCM mounting bolts. Always install new bolts.

  11. Clean the EBCM (2) to BPMV (3) mounting surfaces with a clean cloth.

Installation Procedure


    Object Number: 550743  Size: SH

    Important: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.

  1. Install EBCM (2) onto BPMV (3).
  2. Important: Do not reuse the old mounting bolts. Always install new bolts with the new BPMV.

  3. Install the four EBCM bolts.
  4. Tighten
    Tighten the four bolts to 5 N·m (39 lb in) in an X-pattern.

  5. Connect the 2 way ABS pump motor connector to the EBCM (2).
  6. Install BPMV (3) to EHCU bracket (5).
  7. Connect the two electrical harness connectors to the EBCM (2).
  8. Important: The brake pipes are held in the proper place by a frame mounted plastic bracket. Make sure that the brake pipes stay in the correct place for proper reassembly.

  9. Install the 5 brake pipes to the BPMV (3).
  10. Tighten
    Tighten the brake pipe fittings to 30 N·m (22 lb ft).

  11. Bleed the brake system. Refer to Antilock Brake System Automated Bleed Procedure .
  12. Return to Diagnostic System Check .