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Home >> Chevrolet >> 2019 >> Sonic LS, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Brake Pressure Modulator Valve Replacement >> Installation Procedure
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Installation Procedure

  1. If installing a new BPMV, install the EBCM. Refer to Electronic Brake Control Module Replacement .
  2. Install the BPMV bracket to the BPMV.
  3. GM2535379Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Install the BPMV bolts (1) and tighten to 11 N.m (97 lb in).

  4. GM2535376Courtesy of GENERAL MOTORS COMPANY

    Install the BPMV and bracket to the vehicle.

  5. Install the BPMV bracket nuts (1) and tighten to 17 N.m (12 lb ft).
  6. GM2833466Courtesy of GENERAL MOTORS COMPANY

    Install the protective caps (1) to the BPMV bracket nuts.

  7. GM2495352Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Install the brake pipes in the same locations referenced during removal.

    Install the BPMV outlet brake pipe fittings (1) to the BPMV outlet ports.

  8. Connect the brake pipe fittings and tighten to 18 N.m (13 lb ft).
  9. GM2495349Courtesy of GENERAL MOTORS COMPANY

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

  10. GM2495345Courtesy of GENERAL MOTORS COMPANY

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

  11. Connect the EBCM electrical connector.
  12. Install the battery tray. Refer to Battery Tray Replacement .
  13. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) , or Hydraulic Brake System Bleeding (Pressure) .
  14. Perform the Diagnostic System Check - Vehicle .
  15. Observe the brake pedal feel after performing the diagnostic system check. If the pedal now feels spongy, air may have been in the secondary hydraulic circuit of the brake modulator which may have been introduced into the primary circuit. If the pedal feels spongy, bleed the antilock brake system. Refer to Antilock Brake System Automated Bleed .