Kia Optima: Removal and Installation
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Disassembly of the thermostat would have an adverse effect, causing a lowering
of cooling efficiency. Do not remove the thermostat, even if the engine
tends to overheat. |
| 1. |
Drain engine coolant so its level
is below thermostat. |
| 2. |
Disconnect the radiator lower
hose (A).
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| 3. |
Remove water inlet fitting (C),
gasket (B) and thermostat (A).
Tightening torque :7.8
~ 11.8N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7lb-ft)
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| 4. |
Installation is reverse order
of removal.
| •
|
Install the thermostat
with the jiggle valve upward. |
| •
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When assembling
the thermostat, place the thermostat on the housing with
a protrusion of thermostat matching with a groove of the
housing and install the gasket and inlet fitting. Be careful
the thermostat doesn’t get out of the groove on the housing. |
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| 5. |
Fill the engine coolant. |
| 6. |
Start the engine and check for
leaks. |
| 7. |
Recheck the coolant level. |
1.
Immerse the thermostat in water
and gradually heat the water.
2.
Check the valve opening temperature.
Valve opening temperature:
82 ± 1.5°C (17 ...
Inspection