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Home >> Buick >> 2002 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Repair Instructions >> Electronic Brake Control Module (EBCM) Replacement >> Removal Procedure
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Removal Procedure

  1. Turn OFF the ignition.
  2. Raise the vehicle.
  3. Remove the left front wheel.
  4. Remove the left front wheelhouse extension. Refer to FASCIA EXTENSION REPLACEMENT - FRONT in Bumpers.
    NOTE: The area around the Electronic Brake Control Module (EBCM) must be free from loose dirt to prevent contamination of disassembled ABS components.
  5. Thoroughly wash all contaminants from around the EBCM.
  6. Rotate the EBCM connector tab up to the unlocked position.
  7. Remove the EBCM connector position assurance (2) from the EBCM electrical connector (1).
    Fig 1: Removing EBCM Connector Position Assurance
    G01770482Courtesy of GENERAL MOTORS CORP.
    CAUTION: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.
  8. Disconnect the EBCM electrical connector (1) from the EBCM (4).
  9. Disconnect the Brake Pressure Modulator Valve (BPMV) electrical connector (2) from the EBCM (3).
    10. Fig 2: Disconnecting BPMV Electrical Connector
    G01770483Courtesy of GENERAL MOTORS CORP.
  10. Remove the 6 EBCM to BPMV screws (2).
    11. Fig 3: Removing EBCM-To-BPMV Screws
    G01770484Courtesy of GENERAL MOTORS CORP.
  11. Clean the surface of the EBCM/BPMV assembly.
    NOTE: The EBCM cannot be repaired. If faulty, the unit must be replaced.
  12. Separate the EBCM (2) from the BPMV (1).
    13. Fig 4: Separating EBCM From BPMV
    G01770485Courtesy of GENERAL MOTORS CORP.
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