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Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock 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.
    NOTE: Refer to FASTENER NOTICE .
  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).

    4. Fig 1: Installing Bolts Connecting BPMV Assembly To Mounting Bracket
    G01747212Courtesy 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 (84 lb in).
    • Reposition any lines or hoses that were moved out of place.
      Fig 2: Installing BPMV Mounting Bracket To Strut Tower Nuts
      G01747213Courtesy 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.

  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
    G01747214Courtesy of GENERAL MOTORS CORP.
  7. Install the four wheel brake pipes on the BPMV.

    Tighten 

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

    Fig 4: Installing Wheel Brake Pipes On BPMV
    G01747215Courtesy of GENERAL MOTORS CORP.
  8. Reconnect the ground strap between the EBCM assembly and the chassis.
  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: Pushing Down On Lock Tab & Moving Sliding Connector Cover
    G01747216Courtesy of GENERAL MOTORS CORP.
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