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
...
See also:
Remote Fuel Filler Lid Release
Depress on the release button located on the driver’s door to open the fuel filler
lid.
WARNING
To avoid injury from sharp objects, it is recommended that protective gloves
be worn when o ...
Preparation Of Tools And Measuring Equipment
Be sure that all necessary tools and measuring equipment are available starting
work. ...
Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start
the engine). Any light that does not illuminate should be checked by an authorized
Kia dealer.
After starting the en ...