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Home >> Chevrolet >> 2017 >> Trax Premier, AWD >> 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. Fig 1: Brake Pressure Modulator Valve Bolts
    GM2535379Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  3. Install the BPMV bolts (1) and tighten to 11 N.m (97 lb in).
    4. Fig 2: Electronic Brake Control Module And Bracket Assembly Nuts
    GM2535376Courtesy of GENERAL MOTORS COMPANY
  4. Install the BPMV and bracket assembly to the vehicle.
  5. Install the BPMV bracket nuts (1) and tighten to 17 N.m (12 lb ft).
    6. Fig 3: BPMV Bracket Nut Protective Caps
    GM2833466Courtesy of GENERAL MOTORS COMPANY
  6. Install the protective caps (1) to the BPMV bracket nuts.
    7. Fig 4: Front & Rear Brake Pipe Fittings
    GM2495352Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  7. 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. Fig 5: Master Cylinder Primary Brake Pipe Fitting
    GM2495349Courtesy of GENERAL MOTORS COMPANY
  9. Connect the master cylinder primary brake pipe fitting (1) to the BPMV and tighten to 18 N.m (13 lb ft).
    10. Fig 6: Master Cylinder Secondary Brake Pipe Fitting
    GM2495345Courtesy of GENERAL MOTORS COMPANY
  10. 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)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 .
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