Hyundai Azera: Thermostat Repair procedures
Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Engine Mechanical System / Cooling System / Thermostat Repair procedures
Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Engine Mechanical System / Cooling System / Thermostat Repair procedures
| Removal |
Removal 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.
(Refer to Cooling System - "Coolant") |
| 2. |
Remove the ratiator upper hose.
(Refer to Cooling System - "Radiator Hose") |
| 3. |
Remove the water inlet fitting (A) and the thermostat (B).
|
| Inspection |
| 1. |
Immerse the thermostat in water and gradually heat the water.
|
| 2. |
Check the valve opening temperature.
If the valve opening temperature is not as specified, replace the thermostat. |
| 3. |
Check the valve lift.
If the valve lift is not as specified, replace the thermostat. |
| Installation |
| 1. |
Place the thermostat in thermostat housing.
|
| 2. |
Install the water inlet fitting (A).
|
| 3. |
Install the ratiator upper hose.
(Refer to Cooling System - "Radiator Hose") |
| 4. |
Fill with engine coolant. |
| 5. |
Start engine and check for leaks. |
Thermostat Components and Components Location
Components
1. Water temperature control assembly2. Thermostat3. Water inlet fitting
...
Thermostat Troubleshooting
Troubleshooting
SymptomsPossible CausesRemedyCoolant leakage
•
From the thermostat gasket
Check the mounting bolts
•
Check the torque of the mounting bolts
•
Retighten the bo ...
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