GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra - 4WD
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Engine Coolant Thermostat Replacement
Removal Procedure
Remove the thermostat housing. Refer to
Engine Coolant Thermostat Housing Replacement
.
Remove the thermostat.
Installation Procedure
Install the thermostat.
Install the thermostat housing. Refer to
Engine Coolant Thermostat Housing Replacement
.