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Home >> Pontiac >> 2005 >> Aztek Base, FWD >> Repair and Diagnosis >> Brakes >> Antilock Brake System And Traction Control System >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying BPMV Mounting Bracket Hardware
    GM777630Courtesy of GENERAL MOTORS CORP.
  1. Install EBCM onto the BPMV (1) if replacing the BPMV only. Refer to Electronic Brake Control Module Replacement .
  2. Install BPMV and EBCM as an assembly to the mounting bracket.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the 2 bolts (1) that connects the BPMV assembly to the mounting bracket (2).

    Tighten:  Tighten the bolts to 10 N.m (84 lb in).

  5. Fig 2: Locating BPMV Mounting Bracket Nuts
    GM648180Courtesy of GENERAL MOTORS CORP.
  6. Install the BPMV bracket to the strut tower.
  7. Install the 3 nuts (2) that attach the BPMV mounting bracket to the strut tower.

    Tighten: 

    • Tighten the nuts to 10 N.m (89 lb in).
    • Reposition any lines or hoses that were moved out of place.

  8. Fig 3: Master Cylinder Brake Pipes To BPMV
    GM777628Courtesy of GENERAL MOTORS CORP.
    CAUTION: Make sure brake pipes are correctly connected to brake pressure modulator valve. If brake pipes are switched by mistake, wheel lockup will occur and personal injury may result. The only two ways this condition can be detected are by using a Scan Tool or by doing an Antilock stop.
    IMPORTANT: If a new BPMV is being installed, remove the shipping plugs from the valve openings during the next few steps when ready.
  9. Install the master cylinder brake pipes into the BPMV.

    Tighten:  Tighten the fittings to 24 N.m (18 lb ft).

  10. Fig 4: Identifying Wheel Brake Pipes To BPMV
    GM777629Courtesy of GENERAL MOTORS CORP.
  11. Install the 4 wheel brake pipes on the BPMV.

    Tighten:  Tighten the fittings to 25 N.m (18 lb ft).

  12. Connect the EBCM to BPMV connector.
  13. Fig 5: Identifying EBCM Harness Connector
    GM230405Courtesy of GENERAL MOTORS CORP.
  14. Connect the EBCM harness connector.
  15. Reinstall the air cleaner housing. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  16. Reinstall the cruise control module, if equipped.
  17. When all procedures have been completed, the automated ABS bleed procedure is required. Refer to ABS Automated Bleed Procedure .