SFI VIN 7

Engine Coolant Thermostat Housing Replacement (LY7) (3.6L)

Special Tools

J 28410 Gasket Remover

Removal Procedure

1. Disconnect the heater hoses from the heater core. Refer to Heater Inlet Hose Replacement (LH2) (Service and Repair)Heater Inlet Hose Replacement (LY7) (Service and Repair) and Heater Outlet Hose Replacement (LH2) (Service and Repair)Heater Outlet Hose Replacement (LY7) (Service and Repair).
2. Remove the thermostat. Refer to Engine Coolant Thermostat Replacement (LY7) (Service and Repair)Engine Coolant Thermostat Replacement (LF1/LLT) (Service and Repair)Engine Coolant Thermostat Replacement (LC3) (Service and Repair)Engine Coolant Thermostat Replacement (LH2) (Service and Repair).




3. Remove the thermostat housing bolts.
4. Remove the thermostat housing with the heater pipes, hoses and bolts.
5. Carefully clean the sealing surfaces with a plastic gasket scraper such as J 28410 or equivalent.

Installation Procedure

1. Assemble the heater pipes and hoses to the thermostat housing.
2. Install a new gasket to the thermostat housing.
3. Install the thermostat housing bolts to the thermostat housing.
Partially install the thermostat housing bolts in order to retain the gasket.




4. Install the thermostat housing with the heater pipes, heater hoses, gasket and bolts.

Caution: Refer to Fastener Caution (Fastener Caution).

5. Install the thermostat housing bolts and tighten to 20 Nm (15 lb ft).
6. Install the thermostat. Refer to Engine Coolant Thermostat Replacement (LY7) (Service and Repair)Engine Coolant Thermostat Replacement (LF1/LLT) (Service and Repair)Engine Coolant Thermostat Replacement (LC3) (Service and Repair)Engine Coolant Thermostat Replacement (LH2) (Service and Repair).
7. Connect the heater hoses to the heater core. Refer to Heater Inlet Hose Replacement (LH2) (Service and Repair)Heater Inlet Hose Replacement (LY7) (Service and Repair) and Heater Inlet Hose Replacement (LH2) (Service and Repair)Heater Inlet Hose Replacement (LY7) (Service and Repair).