Engine Coolant Thermostat Replacement 2.4L

1. Drain the engine coolant. Refer to Cooling System Draining and Filling.
2. Disconnect the radiator hose.



3. Remove the 2 nuts (1, 2) and disconnect the water inlet from the cylinder block.
4. Remove the thermostat and gasket.

1. Install a new gasket onto the thermostat.




Note: The jiggle valve may be set to within 10 degrees on either side of the indicated position.

2. Install the thermostat with the jiggle valve upward.

Caution: Refer to Fastener Caution in the Preface section.




3. Install the water inlet with the 2 nuts (1, 2) and tighten to 9.0 N·m (80 lb in).
4. Connect the radiator hose.
5. Add the engine coolant. Refer to Cooling System Draining and Filling
6. Inspect for coolant leaks.
7. Inspect the reservoir tank engine coolant level. Refer to Cooling System Leak Testing.

Engine Coolant Thermostat Replacement 1.8L

1. Drain the engine coolant. Refer to Cooling System Draining and Filling.



2. Remove the 2 nuts (1, 2) and water inlet.



3. Remove the thermostat (1) and gasket.
4. Remove the gasket from the thermostat.

Note: The valve opening temperature is inscribed on the thermostat.

1. Inspect thermostat.



2. Immerse the thermostat in water and then gradually heat the water.

Note: If the valve opening temperature is not as specified, replace the thermostat.

3. Inspect the standard valve opening temperature of the thermostat.

Specification
Standard valve opening temperature - 80-84°C (176-183°F).





Note: If the valve lift is not as specified, replace the thermostat.

4. Check the valve lift (a).

Standard valve lift: 10 mm (0.394 in) or more at 95°C (203°F)

Note: If it is not fully closed, replace the thermostat.

5. Inspect that the valve is fully closed when the thermostat is at low temperatures, below 77°C (171°F).

1. Install the thermostat.
2. Install a new gasket on the thermostat.




Note: The jiggle valve (1) may be set to within 10 degrees on either side of the indicated position.

3. Install the thermostat to the water inlet with the jiggle valve (1) upward.

Caution: Refer to Fastener Caution in the Preface section.




4. Install the water inlet with the 2 nuts (1, 2) and tighten to 10 N·m (7 lb ft).
5. Add the engine coolant. Refer to Cooling System Draining and Filling
6. Inspect for coolant leaks. Refer to Cooling System Leak Testing.