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Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Installation Procedure
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Installation Procedure

  1. Install EBCM onto the BPMV (1) if replacing the BPMV only. Refer to ELECTRONIC BRAKE CONTROL MODULE (EBCM) REPLACEMENT  .
  2. Install BPMV and EBCM as an assembly to the mounting bracket.
  3. Install the 2 bolts (1) that connects the BPMV assembly to the mounting bracket (2).

    Tighten 

    Tighten the 2 bolts 10 N.m (84 lb in).

    Fig 1: Installing BPMV And EBCM To Mounting Bracket
    G01500337Courtesy of GENERAL MOTORS CORP.
  4. Install the BPMV bracket to the strut tower.
  5. 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.
    Fig 2: Installing BPMV Bracket To Strut Tower
    G01500338Courtesy 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 Anti-lock stop.

    Important:  If a new BPMV is being installed, remove the shipping plugs from the valve openings during the next few steps when ready.

  6. Install the master cylinder brake pipes into the BPMV.

    Tighten 

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

    Fig 3: Installing Master Cylinder Brake Pipes Into BPMV
    G01500339Courtesy of GENERAL MOTORS CORP.
  7. Install the four wheel brake pipes on the BPMV.

    Tighten 

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

  8. Reconnect the ground strap between the EBCM assembly and the chassis.
    Fig 4: Installing Wheel Brake Pipes On BPMV
    G01500340Courtesy of GENERAL MOTORS CORP.
  9. Connect the EBCM harness connector.
  10. Push down lock tab (1) and then move sliding connector cover (2) back in home position to lock.
  11. Insert red locking tab back in place.
  12. Reinstall the air cleaner housing.
  13. Reinstall the cruise control module.
  14. When all procedures have been completed, the automated ABS bleed procedure is required. Refer to ABS AUTOMATED BLEED PROCEDURE  .
Fig 5: Connecting EBCM Harness Connector
G01500341Courtesy of GENERAL MOTORS CORP.
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