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Home >> Chevrolet >> 2008 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Repair Instructions >> Electronic Brake Control Module Replacement (w/JL4) >> Removal Procedure

Removal Procedure

IMPORTANT: After installation, calibrate the new electronic brake control module (EBCM) to the tire size that is appropriate to the vehicle.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
    Fig 1: Identifying Chassis Electrical Connectors To EBCM
    GM924296Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The area around the electric hydraulic control unit (EHCU) MUST be free from loose dirt to prevent contamination of disassembled ABS components.

    Thoroughly wash all contaminants from around the EHCU.

    3. Fig 2: Splash Shield (Cutaway Vehicles)
    GM1209085Courtesy of GENERAL MOTORS CORP.
  3. For cutaway vehicles, remove the splash shield.
  4. Disconnect the electrical connectors from the EBCM.
    5. Fig 3: Brake Pressure Modulator Valve & Electronic Brake Control Module
    GM1381552Courtesy of GENERAL MOTORS CORP.
  5. Remove the mounting screws that fasten the EBCM (2) to the brake pressure modulator valve (BPMV) (1).
  6. Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
  7. Clean the BPMV to EBCM mounting surfaces with a clean cloth.
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