Thermostat Housing: Service and Repair

Engine Coolant Thermostat Housing Replacement (V8)

Removal Procedure

Note:
The thermostat is not serviceable separately. The water pump inlet and thermostat must be replaced as an assembly.

1. Remove the bolt from the coolant recovery reservoir and reposition.





2. Remove air cleaner assembly.

3. Remove the radiator outlet hose.

4. Remove the water pump inlet bolts.

5. Remove the water pump inlet and thermostat from the water pump.

Installation Procedure





1. Install the thermostat and water pump inlet to the water pump.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the water pump inlet bolts and tighten to 15 Nm (11 lb ft).

3. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LR4, LM7, LQ4) Radiator Outlet Hose ReplacementRadiator Outlet Hose Replacement (LU3) Radiator Outlet Hose Replacement.

4. Install the air cleaner assembly.

5. Install the coolant recovery reservoir and bolt and tighten to 11 Nm (97 lb in).