Hyundai Venue: Cooling System / Thermostat. Repair procedures

Hyundai Venue (QX) (2020-2025) 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.

Remove the water inlet fitting (A).

Tightening torque :

18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

Hyundai Venue. Thermostat. Repair procedures

4.	Remove the thermostat (A).

5.	Install in the reverse order of removal.

6.	Fill the radiator with water through the radiator cap and tighten the cap. (Refer to Cooling System - "Coolant")

7.	Start the engine and check for leaks.

8.	Recheck engine coolant level.

Inspection

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

Check the valve opening temperature.

Valve opening temperature :

82±1.5°C (179.6±2.7°F)

Full opening temperature : 95°C (203°F)

If the valve opening temperature is not as specified, replace the thermostat.

Check the valve lift.

Valve lift : 8mm (0.3in) or more at 95°C (203°F)

If the valve lift is not as specified, replace the thermostat.

Installation

Place the thermostat in the block.

(1)	Install the thermostat (A) with the jiggle valve upward.

(2)	Install the new O-ring.

Install the water inlet fitting (A).

Tightening torque :

18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

Hyundai Venue. Thermostat. Repair procedures

3.	Fill with engine coolant.

4.	Start engine and check for leaks.

Thermostat. Components and components location

Thermostat. Troubleshooting

Troubleshooting Symptoms Possible Causes Remedy Coolant leakage • From the thermostat gasket Check the mounting bolts • Check the torque of the mounting bolts • Retighten the bolts and check leakage again...

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