Hyundai Sonata: Cooling System / Thermostat Repair procedures
| Removal |
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. |
| 1. |
Drain engine coolant so that its level would be under the thermostat height. |
| 2. |
Remove the radiator lower hose.
(Refer to Cooling System - "Radiator Hose") |
| 3. |
Remove the water inlet fitting (A) and 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 the block.
Install the thermostat (B) with the jiggle valve upward. |
| 2. |
Install the water inlet fitting (A).
|
| 3. |
Fill with engine coolant. |
| 4. |
Start engine and check for leaks. |
Thermostat Components and Components Location
Components
1. Water inlet fitting2. Thermostat
...
Thermostat Troubleshooting
Troubleshooting
SymptomsPossible CausesRemedyCoolant leakage
•
From the thermostat gasket
Check the mounting bolts
•
Check the torque of the mounting bolts
•
Retighten the bo ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location Index
Engine Room
[Theta 2.4 GDI]
1. Receiver-drier2. Condenser3. Service Port (High Pressure)4. Service Port (Low Pressure)5. A/C Pressure Transducer (APT)6. Compressor7. Suction & Liquid Tube Assembly8. Expansion Valve9. Ambient temperature Sensor
[Gamma 1.6 T-GD ...
Hyundai Sonata LF 2014-2019 Service Manual: CVVT & Camshaft Repair procedures
Removal
1.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
2.
Turn the crankshaft damper pulley so that No. 1 piston is at top dead center.
(1)
Turn the crankshaft damper pulley and align its groove with
the timing mark on the timing chain cove ...