Engine Coolant Thermostat Replacement

WARNING: This page is about a different car, the 2013 GMC Acadia, 2013 Chevrolet Traverse, and 2013 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Thermostat Housing And Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Partially drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac N Fill) . Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement . Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement . Disconnect the radiator outlet hose from the thermostat housing. Refer to Radiator Outlet Hose Replacement . Remove the heater inlet and outlet hoses. Refer to Heater Inlet Hose Replacement and Heater Outlet Hose Replacement .
1	Thermostat Housing Bolt (Qty: 3) CAUTION: Refer to Fastener Caution . Procedure Remove the thermostat housing bolts. Tighten 10 N.m (89 lb in)
2	Thermostat Housing Retainer Bolt Procedure Remove the thermostat housing retainer bolt. Tighten 50 N.m (37 lb ft)
3	Thermostat Housing
4	Thermostat Procedure Remove the thermostat and discard the thermostat gasket. Install a new thermostat gasket.