Drive Motor Generator Control Module Coolant Pump Replacement

Fig 1: Drive Motor Generator Control Module Coolant Pump

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Before conducting any repair to this high voltage cooling system, it is necessary to determine/verify whether no high-voltage system faults exist. If high-voltage faults exist, follow published DTC diagnostics/repair procedures prior to performing any cooling system repairs. Failure to correct High Voltage Faults before working on the high voltage cooling system could result in personal injury or death. Preliminary Procedures Turn vehicle power OFF and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle. Drain the drive motor generator power inverter module cooling system. Refer to Drive Motor Generator Power Inverter Module Cooling System Draining and Filling . Remove the front compartment air deflector. Refer to Front Compartment Air Deflector Replacement . Remove the drive motor generator control module radiator inlet hose. Refer to Drive Motor Generator Control Module Radiator Inlet Hose Replacement (PE From LTR to A/Separator) . Remove the drive motor generator power inverter module cooling outlet hose. Refer to Drive Motor Generator Power Inverter Module Cooling Outlet Hose Replacement (PE From A/Separator To Water Pump) .
1	Drive Motor Generator Control Module Coolant Pump Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 9 N.m (80 lb in)
2	Drive Motor Generator Control Module Coolant Pump Procedure Disconnect the electrical connector from the drive motor generator control module coolant pump.

Callout

Component Name

WARNING:

Before conducting any repair to this high voltage cooling system, it is necessary to determine/verify whether no high-voltage system faults exist. If high-voltage faults exist, follow published DTC diagnostics/repair procedures prior to performing any cooling system repairs. Failure to correct High Voltage Faults before working on the high voltage cooling system could result in personal injury or death.

Preliminary Procedures

Turn vehicle power OFF and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
Drain the drive motor generator power inverter module cooling system. Refer to Drive Motor Generator Power Inverter Module Cooling System Draining and Filling .
Remove the front compartment air deflector. Refer to Front Compartment Air Deflector Replacement .
Remove the drive motor generator control module radiator inlet hose. Refer to Drive Motor Generator Control Module Radiator Inlet Hose Replacement (PE From LTR to A/Separator) .
Remove the drive motor generator power inverter module cooling outlet hose. Refer to Drive Motor Generator Power Inverter Module Cooling Outlet Hose Replacement (PE From A/Separator To Water Pump) .

Drive Motor Generator Control Module Coolant Pump Bolt (Qty: 2)

CAUTION:

Refer to Fastener Caution .

Tighten
9 N.m (80 lb in)

Drive Motor Generator Control Module Coolant Pump
Procedure
Disconnect the electrical connector from the drive motor generator control module coolant pump.