Sierra 1500 2WD V6-4.3L (2008)
Thermostat: Service and Repair
Engine Coolant Thermostat Replacement
Removal Procedure
1. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LY2, LH6, LY5, LMG, LY6) () .
2. Remove the thermostat.
Installation Procedure
1. Install the thermostat.
2. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LY2, LH6, LY5, LMG, LY6) () .
