| Removal |
|
| 1. |
Drain engine coolant so that its level would be under the thermostat
height.
|
| 2. |
Remove the radiator lower hose.
|
| 3. |
Remove the water inlet fitting (A).
|
| 4. |
Remove the thermostat (A).
|
| 5. |
Install in the reverse order of removal.
|
| 6. |
Fill the radiator with water through the radiator cap and tighten the
cap.
(Refer to Cooling System - "Coolant")
|
| 7. |
Start the engine and check for leaks.
|
| 8. |
Recheck engine coolant level.
|
| Inspection |
| 1. |
Immerse the thermostat in water and gradually heat the water.
|
| 2. |
Check the valve opening temperature.
If the valve opening temperature is not as specified, replace the thermostat.
|
| 3. |
Check the valve lift.
If the valve lift is not as specified, replace the thermostat.
|
| Installation |
| 1. |
Place the thermostat in the block.
|
| 2. |
Install the water inlet fitting (A).
|
| 3. |
Fill with engine coolant.
|
| 4. |
Start engine and check for leaks.
|
Components 1. Water inlet fitting 2. Thermostat
Troubleshooting Symptoms Possible Causes Remedy Coolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again.
Replacement 1. Remove the heater unit assembly. (Refer to Heater - "Heater Unit") 2. Loosen the mounting screws and remove the heater core cover (A). 3.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the temperature control actuator connector. 3. Verify that the temperature control actuator operates to the cool position when connecting 12V to terminal 3 and grounding terminal 7.