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

CAUTION: Refer to Brake Fluid Irritant Caution in Cautions and Notices.
NOTE: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Cautions and Notices.
NOTE: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.
  1. Turn the ignition switch to the OFF position.
  2. Remove the fuel injector sight shield (3.8 L engine only). Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) .
  3. Remove the front fender upper diagonal brace. Refer to BRACE REPLACEMENT - FRONT FENDER UPPER DIAGONAL in Body Front End.
  4. Disconnect the accelerator and cruise control cable from the accelerator control cable bracket.
  5. Disconnect the cruise control module from the left strut tower. It is not necessary to remove the cable from the module. Refer to CRUISE CONTROL MODULE REPLACEMENT In Cruise Control. Position the module and cables aside.
  6. Remove the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT in Removal & Installation - A/T. .
  7. Disengage the red locking tab (1) from connector lock tab.
    Fig 1: Removing Red Locking Tab From Connector Lock Tab
    G01569884Courtesy of GENERAL MOTORS CORP.
  8. Push down lock tab and then move sliding connector cover (2) to the open position.
  9. Disconnect the EBCM harness connector.
  10. Remove any dirt/debris from the assembly.
  11. Remove the four EBCM to BPMV retainers.
    IMPORTANT: Do not pry apart using a tool. Be careful not to damage BPMV surface.
    IMPORTANT: Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.
  12. Separate the EBCM from the BPMV by gently pulling apart until separated.
    Fig 2: Separating EBCM From BPMV
    G01569885Courtesy of GENERAL MOTORS CORP.