FixVault

Removal Procedure

CAUTION:

Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

WARNING:

Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure includes the following steps:

  • Identify how to disable high voltage.
  • Identify how to test for the presence of high voltage.
  • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Before working on any high voltage system, be sure to wear the following Personal Protection Equipment:

  • Safety glasses with appropriate side shields when within 15 meters (50 feet) of the vehicle, either indoors or outdoors.
  • Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors.
    • Visually and functionally inspect the gloves before use.
    • Wear the Insulation gloves with leather protectors at all times when working with the high voltage battery assembly, whether the system is energized or not.

Failure to follow the procedures may result in serious injury or death.

  1. Disable the high voltage system. High Voltage Disabling
  2. Remove the radiator surge tank bolts and reposition the heater surge tank from the heater surge tank bracket with the hoses connected. Heater Coolant Surge Tank Replacement
  3. Drive Motor Battery Positive and Negative Cable (1) - Remove - Drive Motor Battery Positive and Negative Cable Replacement
    GM4529636Courtesy of GENERAL MOTORS COMPANY
  4. Brake Pressure Modulator Valve Front Pipe Fitting (1) @ Brake Pressure Modulator Valve (3) - Remove
    GM4514614Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Cap the brake pipe fittings to prevent brake fluid loss and contamination.

  5. Brake Pressure Modulator Valve Rear Pipe Fitting (2) @ Brake Pressure Modulator Valve (3) - Remove
  6. Brake Pipe Fitting (1) @ Brake Pressure Modulator Valve (2) - Remove [4x]
    GM4514615Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Cap the brake pipe fittings to prevent brake fluid loss and contamination.

  7. Electrical Connector (1) @ Electronic Brake Control Module (2) - Disconnect
    GM4625990Courtesy of GENERAL MOTORS COMPANY
  8. Body Wiring Harness Clip (3) @ Brake Pressure Modulator Valve Bracket - Remove
  9. Brake Pressure Modulator Valve Bracket Nut (1) @ Front Wheel House Panel - Remove
    GM4514617Courtesy of GENERAL MOTORS COMPANY
  10. Brake Pressure Modulator Valve Bracket Nut (1) @ Front Compartment Inner Side Rail - Remove [2x]
    GM4514619Courtesy of GENERAL MOTORS COMPANY
  11. Electronic Brake Control Module with Brake Pressure Modulator Valve and Bracket Assembly (2) @ Vehicle - Remove
  12. Brake Pressure Modulator Valve Insulator Nut (1) - Remove and DISCARD [2x]
    GM4625988Courtesy of GENERAL MOTORS COMPANY
  13. Brake Pressure Modulator Valve Insulator Washer (2) - Remove and DISCARD [2x]
  14. Electronic Brake Control Module with Brake Pressure Modulator Valve (1) @ Brake Pressure Modulator Valve Bracket - Remove
    GM4625989Courtesy of GENERAL MOTORS COMPANY
  15. Brake Pressure Modulator Valve Insulator (2) - Remove and DISCARD [2x]