Hyundai Equus Manuals

Hyundai Azera: Checking the coolant level - Engine coolant - Maintenance - Hyundai Azera 2011-2022 Owners ManualHyundai Azera: Checking the coolant level

Check the condition and connections of all cooling system hoses and heater hoses.


Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses.

The coolant level should be filled between F (Full) and L (Low) marks on the side of the coolant reservoir when the engine is cool.

If the coolant level is low, add enough specified coolant to provide protection against freezing and corrosion. Bring the level to F (Full), but do not overfill. If frequent additions are required, see an authorized HYUNDAI dealer for a cooling system inspection.

Recommended engine coolant

For mixture percentage, refer to the following table.


WARNING - Radiator cap


WARNING - Radiator cap

Do not remove the radiator cap when the engine and radiator are hot. Scalding


Do not remove the radiator cap when the engine and radiator are hot. Scalding hot coolant and steam may blow out under pressure causing serious injury.

CAUTION - Removing  radiator cap

Never attempt to remove the radiator cap while the engine is operating or


Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage.

Turn the engine off and wait until it cools down. Use extreme care when removing the radiator cap. Wrap a thick towel around it, and turn it counterclockwise slowly to the first stop. Step back while the pressure is released from the cooling system.

When you are sure all the pressure has been released, press down on the cap, using a thick towel, and continue turning counterclockwise to remove it.

Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a ...

Changing the coolant
Have the coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. Put a thick cloth around the radiator cap before refilling the coolan ...

See also:

Reservoir Tank Repair procedures
Removal and Installation 1. Disconnect the over flow hose (A), and then remove the resorvior tank (B). Tightening torque: 3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft) 2. Installation ...

Emergency starting
Connect cables in numerical order and disconnect in reverse order. Positive (+) battery terminal on your vehicle Positive (+) battery terminal on the booster battery Negative (-) battery ter ...

Active ECO operation
Active ECO helps improve fuel efficiency by controlling certain engine and transaxle system operating parameters. Fuel efficiency depends on the driver's driving habit and road condition. Wh ...

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