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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTILOCK BRAKE SYSTEM, TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMREPAIR INSTRUCTIONSELECTRONIC BRAKE CONTROL MODULE REPLACEMENTREMOVAL PROCEDURE
2005 Buick LeSabre Limited, 4T65E/M15

Removal Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Removal Procedure
    Fig 1: Removing/Installing Electronic Brake Control Module
    GM458835Courtesy of GENERAL MOTORS CORP.
  1. Turn OFF the ignition.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Remove the left front wheelhouse extension. Refer to Fascia Extension Replacement - Front in Bumpers.
    5. IMPORTANT: The area around the electronic brake control module (EBCM) must be free from loose dirt to prevent contamination of disassembled anti-lock brake system (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).
    8. NOTE: 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. Fig 2: Identifying EBCM Electrical Connector
    GM458842Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the brake pressure modulator valve (BPMV) electrical connector (2) from the EBCM (3).
    10. Fig 3: Disassembling/Reassembling Electronic Brake Control Module
    GM458840Courtesy of GENERAL MOTORS CORP.
  10. Remove the 6 EBCM to BPMV screws (2).
    11. Fig 4: View Of Both halves Of EBCM
    GM458834Courtesy of GENERAL MOTORS CORP.
  11. Clean the surface of the EBCM/BPMV assembly.
    12. IMPORTANT: The EBCM cannot be repaired. If faulty, the unit must be replaced.
  12. Separate the EBCM (2) from the BPMV (1).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.