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: Lower Anchors and Tether for Children (LATCH) System
The LATCH system holds a child restraint during driving and in an accident. This
system is designed to make installation of the child restraint easier and reduce
the possibility of improperly installing your child restraint. The LATCH system
uses anchors in the vehicle and attachments on the chil ...
Hyundai Sonata LF 2014-2019 Service Manual: Refrigerant Line Repair procedures
Replacement
1.
If the compressor is marginally operable, run the engine at
idle speed, and let the air conditioning work for a few minutes, then
shut the engine off.
2.
Disconnect the negative (-) battery terminal.
3.
Recover the refrigerant with a recovery/charging station.
4.
...
