Cobalt L4-2.2L (2008)
9. Reposition the radiator outlet hose clamp (1) at the thermostat cover.
10. Remove the radiator outlet hose from the thermostat cover.
11. Remove the exhaust heat shield studs (2).
12. Remove the exhaust heat shield (1).
13. Reposition the heater inlet and outlet hose clamps at the thermostat housing pipes.
14. Disconnect the heater inlet and outlet hoses (1, 2) from the thermostat housing pipes.
15. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .