Kia Optima: Inspection - Thermostat. Repair procedures - Cooling System - Engine Mechanical System - Kia Optima TF 2011-2020 Service ManualKia Optima: Inspection

1. Immerse the thermostat in water and gradually heat the water.

2. Check the valve opening temperature.

Valve opening temperature: 82 1.5C (179.6 2.7F)

Full opening temperature: 95C (203F)


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 95C (203F)
If the valve lift is not as specified, replace the thermostat.

Removal and Installation
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, e ...

Thermostat. Troubleshooting
Troubleshooting   Symptoms Possible Causes Remedy Coolant leakage From the thermostat gasket ...

See also:

Intake Air Temperature Sensor (IATS). Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the IATS connector. 3. Measure resistance between the IATS terminals 3 and 4. ...

Seat
Drivers seat (1) Seat adjustment, forward / backward (2) Seatback recliner (3) Seat adjustment, height (4) Lumbar support (5) Driver position memory system* (6) Seat warmer switch* (7) Headres ...

Components and Components Location
Component Location 1. Panoramaroof 2. Panoramaroof switch 3. Panoramaroof motor & controller 4. Roller blind motor & slave controller ...

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