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Home >> Oldsmobile >> 2003 >> Aurora >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Electronic Brake Control Module (EBCM) Replacement >> Removal Procedure

Removal Procedure

  1. Turn OFF the ignition.
  2. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  3. Remove the left front tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  4. Remove the left front fascia extension. Refer to FASCIA EXTENSION REPLACEMENT - FRONT in Bumpers.
  5. Remove the EBCM connector position assurance (2) from the EBCM electrical connector (1).
    Fig 1: Identifying Electronic Brake Control Module Connector Position Assurance
    G02553147Courtesy of GENERAL MOTORS CORP.
  6. Rotate the electronic brake control module (EBCM) connector tab up to the unlocked position.
    NOTE: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.
  7. Disconnect the EBCM electrical connector (1) from the EBCM (4).
  8. Disconnect the brake pressure modulator valve (BPMV) electrical connector (2) from the EBCM (3).
    Fig 2: Removing Brake Pressure Modulator Valve Electrical Connector From Electronic Brake Control Module
    G02553148Courtesy of GENERAL MOTORS CORP.
  9. Remove the 6 EBCM to BPMV screws (2).
    Fig 3: Removing & Installing Electronic Brake Control Module-To-Brake Pressure Modulator Valve Screws
    G02553149Courtesy of GENERAL MOTORS CORP.
  10. Clean the surface of the EBCM/BPMV assembly.
    IMPORTANT: The EBCM cannot be repaired. If faulty, the unit must be replaced.
  11. Separate the EBCM (2) from the BPMV (1).
    12. Fig 4: Separating Electronic Brake Control Module From Brake Pressure Modulator Valve
    G02553150Courtesy of GENERAL MOTORS CORP.
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