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Kia Sedona: Thermostat Repair procedures - Cooling System - Engine Mechanical System - Kia Sedona YP Service ManualKia Sedona: Thermostat Repair procedures

Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Engine Mechanical System / Cooling System / Thermostat Repair procedures

Removal
   
Removal of the thermostat may have an adverse effect, causing a reduction in cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.
1.
Remove the engine room under cover.
(Refer to Engine And Transaxle Assembly - "Engine Room Under Cover")
2.
Drain engine coolant.
(Refer to Cooling System - "Coolant")
3.
Disconnect the radiator lower hose (A).

4.
Remove the water inlet fitting (A) and the thermostat (B).
Tightening torque :
16.7 ~ 19.6 N.m (1.7 ~ 2.0 kgf.m, 12.3 ~ 14.5 lb-ft)

5.
Install in the reverse order of removal.
Inspection
1.
Immerse thermostat in water heated to over 95°C (203°F), then heat for at least 3 minutes to check valve lift.

   
•
Do not use water below 95°C (203°F).
•
Do not directly heat unit as this will damage thermostat.
2.
Check the valve opening temperature.
Valve opening temperature:
88±2°C (109.4±3.6°F)
Full opening temperature: 100°C (212°F)
If the valve opening temperature is not as specified, replace the thermostat.
3.
Check the valve lift.
Valve lift : 10 mm (0.3937 in.) or more at 95°C (203°F)
If the valve lift is not as specified, replace the thermostat.
Thermostat Components and Components Location
Components 1. Water temperature control assembly2. Thermostat3. Water inlet fitting pipe ...

Thermostat Troubleshooting
Troubleshooting Trouble SymptomProbable CauseRemedyCoolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • ...

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