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:
Side Body Body Repair
Side Body A
Front side member tooling hole (O20)Fender apron tooling hole (O10)Front door upper hinge mounting hole (O13)Front door lower hinge mounting hole (O13)Fender panel mounting hole (O6.6 ...
Front Body B
Hood hinge mounting hole (Ø10)
Fender apron upper inner panel tooling hole (Ø6.6)
Engine mo ...
Specifications
Specifications
Item
Specification
Type
Motor Driven Power Steering
Steering gear
Type
Rack & Pinion
...