Removal Procedure

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

Disconnect the negative battery cable.
Raise and suitably support the vehicle.
NOTE: The area around the EHCU MUST be free from loose dirt to prevent contamination of disassembled ABS components.

Fig 1: Removal of EHCU Components (W/JL4)

Courtesy of GENERAL MOTORS CORP.

Thoroughly wash all contaminants from around the EHCU (1).
Disconnect the brake fluid pressure sensor (7) and pressure accumulator switch (4) electrical connectors.
Remove the four mounting screws that fasten the EBCM (2) to the BPMV (1).
Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
NOTE: Note the routing of the jumper harnesses for reinstallation.
Remove the EBCM and jumper harnesses from the vehicle.
Remove the jumper harnesses from the EBCM
Clean the BPMV to EBCM mounting surfaces with a clean cloth.

Fig 2: Removal Of EBCM & BPMV Components (W/JL4)

Courtesy of GENERAL MOTORS CORP.