Thermostat Housing: Service and Repair

Engine Coolant Thermostat Housing Replacement (LY7)

Removal Procedure




1. Partially drain the cooling system.
2. Remove the radiator outlet hose from the thermostat housing.
3. Remove the heater inlet and outlet hoses.
4. Remove the surge tank outlet hose.
5. Remove the thermostat housing bolts (1).
6. Remove the housing.

Installation Procedure





Notice: Refer to Fastener Notice.

1. Install the thermostat housing bolts.

Tighten the thermostat housing bolts to 10 N.m (89 lb in).

2. Install the surge tank outlet hose.
3. Install the heater inlet and outlet hoses.
4. Install the radiator outlet hose to the thermostat housing.
5. Fill the cooling system.