Hyundai Sonata: Cooling System / Thermostat Repair procedures
Hyundai Sonata LF 2014-2019 Service Manual / Engine Mechanical System / 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: Rear Bumper Cover Components and Components Location
Component Location
1. Rear bumper cover
...
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
BSD is a system that uses two magnetic wave radar sensors
attached on the rear panel to measure the distance from the following
vehicles and provides the sensing and (visual and auditory) alarm of any
vehicle coming into the blind spot.
-
Blind Spot Detection (BSD) : Senses o ...
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