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Home >> Hyundai >> 2011 >> Azera V6-3.3L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Thermostat >> Service and Repair
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Thermostat: Service and Repair





Removal

NOTE:
Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.

1. Drain engine coolant so its level is below thermostat.
2. Remove water inlet(A) and thermostat(B).






Inspection

1. Immerse the thermostat in water and gradually heat the water.




2. Check the valve opening temperature.
Valve opening temperature : 82°C (177°F)
Full opening temperature : 95°C (205°F)
If the valve opening temperature is not as specified, replace the thermostat.
3. Check the valve lift.
Valve lift : Min. 10mm (0.4in.) at 95°C (205°F)
If the valve lift is not as specified, replace the thermostat.

Installation

1. Place thermostat in thermostat housing.
(1) Install the thermostat with the jiggle valve upward.
(2) Install a new thermostat(B).




2. Install water inlet(A).

Tightening torque
16.66 - 19.60Nm (1.7 - 2.0kgf.m, 12.30 - 14.47lb-ft)

3. Fill with engine coolant.
4. Start engine and check for leaks.
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