Generator Control Module Coolant Pump Replacement

Fig 1: 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. WARNING: Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause 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 coolant. Refer to Drive Motor Generator Power Inverter Module Cooling System Draining and Filling . Remove the drive motor power inverter module cooling outlet hose. Refer to Drive Motor Power Inverter Module Cooling Outlet Hose Replacement .
1	Generator Control Module Coolant Pump Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 9 N.m (80 lb in)
2	Generator Control Module Coolant Pump Procedure Disconnect the electrical connector.

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.

WARNING:

Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause 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 coolant. Refer to Drive Motor Generator Power Inverter Module Cooling System Draining and Filling .
Remove the drive motor power inverter module cooling outlet hose. Refer to Drive Motor Power Inverter Module Cooling Outlet Hose Replacement .

Generator Control Module Coolant Pump Bolt (Qty: 2)

CAUTION:

Refer to Fastener Caution .

Tighten
9 N.m (80 lb in)

Generator Control Module Coolant Pump
Procedure
Disconnect the electrical connector.