Hyundai Sonata: Thermostat. Repair procedures
Removal and Installation
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).
|
3. |
Remove water inlet fitting (C), gasket (B) and thermostat
(A).
|
4. |
Installation is reverse order of removal.
|
5. |
Fill the engine coolant.
|
6. |
Start the engine and check for leaks.
|
7. |
Recheck the coolant level.
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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.
|
Water pump. Troubleshooting
Troubleshooting Water Pump Symptoms Possible Causes Remedy Coolant leakage • From the bleed hole ...Thermostat. Troubleshooting
Troubleshooting Symptoms Possible Causes Remedy Coolant leakage • From the thermostat gasket ...See also:
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1. Select any fan speed except “0” position.
2. Select desired temperature.
3. Select the or
position.
4. The outside (fresh) air will be selected automatically.
If the outside (fresh) ai ...