Kia Optima: Inspection
| 1. |
Immerse the thermostat in water
and gradually heat the water.
|
| 2. |
Check the valve opening temperature.
Valve opening temperature:
82 ± 1.5°C (179.6 ± 2.7°F)
Full opening temperature: 95°C (203°F)
|
If the valve opening temperature is not as specified, replace the thermostat. |
| 3. |
Check the valve lift.
Valve lift : 8mm (0.3in.)
or more at 95°C (203°F)
|
If the valve lift is not as specified, replace the thermostat. |
Disassembly of the thermostat would have an adverse effect, causing a lowering
of cooling efficiency. Do not remove the thermostat, e ...
Troubleshooting
Symptoms
Possible Causes
Remedy
Coolant leakage
•
From the thermostat gasket
...
Removal and Installation
Thermostat. Troubleshooting