Removal Procedure

Turn Vehicle Power Off and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
Remove the front wheelhouse front liner on the driver side. Refer to Front Wheelhouse Front Liner Replacement .
NOTE: Replace corroded hose clamps and brackets.
Place a drain pan under pump.

Fig 1: Drive Motor Generator Control Module Coolant Pump Hose Clamp
Courtesy of GENERAL MOTORS COMPANY
Remove the drive motor generator control module coolant pump hose clamp (1) at generator control module coolant pump using BO-38185 pliers.
Remove the drive motor generator control module coolant pump hose (2) from the generator control module coolant pump.
Remove the drive motor generator control module coolant pump hose clamp (1) at drive motor battery coolant air separator using BO-38185 pliers.

Fig 2: Motor Generator Control Module Coolant Pump Hose And Clamp
Courtesy of GENERAL MOTORS COMPANY
Remove the drive motor generator control module coolant pump hose (2) from drive motor battery coolant air separator.
Remove the drive motor generator control module coolant pump hose from the vehicle.