Hyundai Genesis (DH): Cooling System / Thermostat Repair procedures

Removal and Installation
   
Removal of the thermostat will have an adverse effect, leading to lowered cooling efficiency.
Do not remove the thermostat, even if the engine tends to overheat.
1.
Disconnect the battery "-" terminal from the trunk room.
2.
Drain engine coolant so its level is below thermostat.
(Refer to Cooling System - "Coolant")
3.
Remove the water inlet pipe.
(Refer to Cooling System - "Water Temperature Control Assembly")
4.
Remove the coolant inlet fitting (A).

Tightening torque :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

5.
Remove the thermostat (A).

   
Install the thermostat with the jiggle valve facing upward.
6.
To install, reverse the removal procedure.
Inspection
1.
Immerse the thermostat in water and gradually heat the water.

2.
Check the valve opening temperature.

Valve opening temperature: 88

    Components 1. Water temperature control Assembly2. Thermostat3. Coolant inlet fitting

    Troubleshooting SymptomsPossible CausesRemedyCoolant leakage

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: Evaporator Temperature Sensor Repair procedures

    I

    Hyundai Genesis (DH) 2013-2016 Service Manual: Ambient Temperature Sensor Description and Operation

    Description The ambient temperature sensor is located inside the side mirror and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature. The sensor output will be used for discharge temperature control, temperature regulation door control,

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