Engine Cooling System: Engine: Thermostat: Installation: 2.4L
CAUTION:
The Thermostat and housing is serviced as an assembly. Do not remove the thermostat from the housing, damage to the thermostat may occur.
- Clean the mating surfaces on the cylinder head and thermostat housing.
- Install a new thermostat housing gasket (1).
- Rotate the loop clamp (1) clockwise at least 45° away from the thermostat mounting surface.
- Pull the intake manifold upper support bracket (1) slightly away from the engine and install the thermostat housing (2).
- Rotate the loop clamp (1) back into position against the thermostat housing flange.
- Install the four thermostat housing bolts (2) hand tight.
- If removed, install the Engine Coolant Temperature (ECT) sensor (3) to the thermostat housing (1) and tighten to the proper torque specification. Refer to TECHNICAL SPECIFICATIONS .
- Install the two bolts (2) to the intake manifold upper support bracket (1) hand tight.
- Tighten the intake manifold upper support bracket nuts (3) to the proper torque specification. Refer to TECHNICAL SPECIFICATIONS .
- Tighten the intake manifold upper support bracket bolts (2) and the three other previously installed thermostat housing bolts in a criss-cross pattern to the proper torque specification. Refer to TECHNICAL SPECIFICATIONS .
- Connect and lock the Engine Coolant Temperature (ECT) sensor harness connector (4).
- Install the degas hose (5) to the thermostat housing and connect the quick-connect fitting.
- Bend the loop clamp end tab (1a) to secure the thermostat housing bolt (1b).
- Install the heater core inlet hose (1) to the thermostat housing and engage the quick-connect coupling.
- Install the shift cable (4) to the shift cable bracket (1) and engage the lock (3).
- Install the engine vacuum pump. Refer to PUMP, VACUUM, INSTALLATION
.
- Install the upper radiator inlet hose (2) to the thermostat housing with the CLIC E®
type clamp using (special tool #10288, Pliers, Hose Clamp).
- Engage the wire harness retainer (1) to the upper radiator inlet hose at the thermostat housing.
- Install the Power Distribution Center (PDC). Refer to CENTER, POWER DISTRIBUTION (PDC), INSTALLATION .
- Install the battery tray and battery. Refer to TRAY, BATTERY, INSTALLATION .
- Install the belly pan. Refer to BELLY PAN, INSTALLATION .
- Remove the support and lower the vehicle.
- Fill the cooling system. Refer to STANDARD PROCEDURE .
- Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector to the negative battery cable.
- Run the engine until it reaches normal operating temperature. Check the cooling system for leaks and correct fluid level. Refer to STANDARD PROCEDURE .
- Install the engine cover.