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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Repair Instructions >> Electronic Brake Control Module Replacement >> Removal Procedure

Removal Procedure

IMPORTANT:

After installation, calibrate the new EBCM to the tire size that is appropriate to the vehicle.

    CAUTION:

    Refer to BATTERY DISCONNECT CAUTION in Cautions and Notices.

  1. Disconnect the negative battery cable.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    3. Fig 1: View Of EBCM/EHCU Assembly
    GM379478Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    The area around the EHCU MUST be free from loose dirt to prevent contamination of disassembled ABS components.

  3. Thoroughly wash all contaminants from around the EHCU (1).
  4. Disconnect the electrical connectors from the EBCM.
  5. Loosen or remove the bolts (4) securing the EHCU mounting bracket (3) to the frame rail (5).
    6. Fig 2: Exploded View Of EBCM & BPMV Components (w/o JL4)
    GM379484Courtesy of GENERAL MOTORS COMPANY
  6. Gently move the EHCU down enough to remove the mounting screws that fasten the EBCM (2) to the BPMV (1).
  7. Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
    IMPORTANT:

    Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.

  8. Clean the BPMV to EBCM mounting surfaces with a clean cloth.
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