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 Owners Manual: Start-up
You can start the engine without inserting the key.
NOTICE
To prevent damaging the smart key:
Keep the smart key away from water or any liquid and fire. If the inside
of the smart key gets damp (due to drinks or moisture), or is heated, internal
circuit may malfunction, excluding the car from ...
Hyundai Sonata LF 2014-2019 Service Manual: AVN(Audio Video Navigation) head unit Components and Components Location
Components
Connector Pin Information
NoConnector AConnector BConnector C1-Multmedia-CAN (High)Chassis-CAN (Low)2--Chassis-CAN (High)3---4-Steering wheel remote controller-5SPDIF Shield GND--6SPDIF (+)MTS keypad signal-7---8Illumination (+)AUX R input-9-Multimedia jack (GND)- 10-MIC (+)-11-Batt ...
