Hyundai Ioniq: Hybrid Motor Cooling System / Radiator. Components and components location

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Motor System / Hybrid Motor Cooling System / Radiator. Components and components location

Component location

1. HPCU (Hybrid Power Control Unit)
(LDC+MCU+HCU+Reservoir)
2. Hybrid drive motor

3. Hybrid starter generator (HSG)
4. Electrical radiator
5. Electric water pump (EWP)

Coolant. Repair procedures

Changing the Coolant and Performing Air Bleeding Never remove the cap while the engine is hot. When you remove the cap from the reservoir, hot coolant may spew out due to the high pressure, causing serious injury...

Radiator. Repair procedures

Removal1.Remove the 12 V battery (-) cable.2.Remove the undercover.(Refer to Engine Mechanical System - "Engine Room Undercover".)3.Drain the coolant from the hybrid cooling system...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Refill inverter coolant, Stop vehicle and check brakes/ Stop vehicle and check regen. brakes

Refill inverter coolant This message is displayed when the inverter coolant is nearly empty. You should refill the inverter coolant. Stop vehicle and check brakes/ Stop vehicle and check regen. brakes Either message is displayed when a failure occurs in the brake system...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Hybrid Starter Generator(HSG). Repair procedures

Removal • When working on the high voltage system, make sure that you are familiar and comply with the "Safety Precautions, Cautions and Warnings". If you do not comply with them, a serious accident such as electric shock or leakage may occur...