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.
|
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:
Specifications
Specification
Engine
T/M
Joint type
Max. permissible angle
Outer
Inner
Outer
Inner
G ...
Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle
...
Variable Intake Solenoid (VIS) Valve. Specifications
Specification
Item
Specification
Coil resistance (Ω)
30.0 ~ 35.0 [20°C(68°F)]
...