Hyundai Genesis: Cooling System / Coolant Repair procedures

Replacement and Air Bleeding

Never remove the radiator cap when the engine is hot. A serious scalding could be caused by high-pressure hot fluid escaping from the radiator.

When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electrical parts or the paint. If any coolant spills, rinse it off immediately.

1.	Make sure the engine and radiator are cool to touch.

2.	Remove the radiator cap (A).

3.	Loosen the drain plug (A), and drain the coolant with the radiator cap still being open for smooth draining. Tightening torque : 0.78 ~ 1.57 N.m (0.08 ~ 0.16 kgf.m, 0.58 ~ 1.161 lb-ft)

4.	Tighten the radiator drain plug securely.

5.	Remove, drain and reinstall the reservoir. (Refer to Cooling System - "Reservoir Tank") Fill the tank halfway to the F mark with water, then up to the F mark with antifreeze.

6.	Fill the radiator with water through the radiator cap and tighten the cap. To bleed air in the most effective way, pour the water slowly and press on the upper / lower radiator hoses.

7.	Start the engine and allow it to come to normal operating temperature. Wait for the cooling fans to turn on several times. Accelerate the engine to aid in purging trapped air. Shut engine off.

8.	Wait until the engine is cool.

9.	Repeat steps 1 to 8 until the drained water runs clear.

10.

Fill fluid mixture with coolant and water (45~60%) (except for North America, Europe and China : 45~50%) slowly through the radiator cap. Push the upper/lower hoses of the radiator so as to bleed air easily. • Use only genuine antifreeze/coolant. • For best corrosion protection, the coolant concentration must be maintained year-round at a minimum of 45 to 50% Coolant concentration less than 45 to 60% may not provide sufficient protection against corrosion or freezing. • Coolant concentration greater than 60% will impair cooling efficiency and is not recommended. • Do not mix different brands of antifreeze/coolants. • Do not use additional rust inhibitors or antirust products; they may not be compatible with the coolant.

11.	Start the engine and let the coolant circulate. When the cooling fan operates and coolant circulates, refill coolant through the radiator cap.

12.	Repeat the step 11 until the cooling fan operates three to five times in order to sufficiently bleed air out of the cooling system.

13.	Install the radiator cap and fill the reservoir tank to the "MAX"(or "F") line with coolant.

14.	Let the vehicle idle until the cooling fan operates two to three times.

15.	Stop the engine and wait until coolant gets cool.

16.

Repeat step 10 to 15 until the coolant level doesn't fall any more, bleed air out of the cooling system. As bleeding air out of the cooling system and refilling coolant are optimized when coolant gets cool completely, recheck the coolant level in the reservoir tank for 2 ~ 3 days after replacing coolant. Coolant capacity : for Europe : 8.8 L (9.30 U.S.qt., 7.74 lmp.qt., 2.32 U.S.gal.) except Europe : 8.4 L (8.87 U.S.qt., 7.38 lmp.qt., 2.21 U.S.gal.)

Components and Components Location

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