Thermostat Housing: Service and Repair

Thermostat Housing - 2.3L

NOTE: The thermostat and thermostat housing are serviced as an assembly.










Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.

3. NOTE: The view of the thermostat housing bolts is obstructed by power steering, A/C and engine components. However, the bolts can be removed using 1/4-in drive hand tools.

NOTE: The LH upper thermostat housing bolt can be accessed from under the hood. The RH upper and lower thermostat housing bolts can be accessed from under the vehicle as viewed in the illustration below.

Remove the 3 bolts and reposition the thermostat housing to gain access to the hose clamps.

- Remove and discard the gasket.

- To install, tighten the bolts to 10 Nm (89 lb-in).





4. Disconnect the heater hose from the thermostat housing.

5. Disconnect the lower radiator hose from the thermostat housing and remove the thermostat housing.

6. To install, reverse the removal procedure.
- Install a new thermostat housing gasket.

7. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.