Malibu V6-3.6L (2010)
11. Remove the auxiliary heater water pump hose clip (1) from the heater outlet hose.
12. Reposition the auxiliary heater water pump hose clamp at the thermostat housing.
13. Remove the auxiliary heater water pump hose (2) from the thermostat housing.
14. Reposition the heater inlet hose clamp at the thermostat housing.
15. Remove the heater inlet hose (3) from the thermostat housing.
16. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
17. Remove the ECT sensor, if necessary.