Engine Coolant Thermostat Replacement

WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Thermostat Housing & Components

Courtesy of GENERAL MOTORS CORP.

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 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.