85. Engine Coolant Thermostat Housing Installation

Thermostat Housing Installation







1. Install a new O-ring seal.
2. Install the thermostat housing with the thermostat.







3. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), to the thermostat housing bolts.

Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice

4. Install the thermostat housing bolts.
Tighten the thermostat housing bolts to 20 Nm (15 ft lbs.).







5. Apply engine coolant to new seals on coolant pipe.
6. Install O-rings on coolant pipe.







7. Install coolant pipe into the thermostat housing.