Hyundai Ioniq: Maintenance / Engine Coolant/Inverter Coolant

Hyundai Ioniq (AE) 2017-2024 Owner's Manual / Maintenance / Engine Coolant/Inverter 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 year, at the beginning of the winter season and before traveling to a colder climate. Checking the Coolant Level Check

Checking the Engine Oil and Filter

Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this chapter. WARNING CALIFORNIA PROPOSITION 65 WARNING Engine oil contains chemicals known to the State of California to cause cancer, birth defects and reproductive harm...

Checking the Coolant Level

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

Other information:

Hyundai Ioniq (AE) 2017-2024 Service Manual: Repair procedures

Inspection[Motor]1.Turn the ignition switch OFF.2.Disconnect the EEGR valve connector.3.Check that the EEGR valve is stuck by foreign material. 4.Measure resistance between motor 1 and 3 control terminals of the motor. 5.Check that the resistance is within the specification...

Hyundai Ioniq (AE) 2017-2024 Service Manual: CVVT (Continuously Variable Valve Timing) System. Description and operation

DescriptionContinuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load.By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work...