Hyundai Ioniq (AE): Heater Hose Pump / Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Heating, Ventilation and Air Conditioning / Heater Hose Pump / Repair procedures

Replacement
1.
Remove the battery (-) terminal.
2.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
3.
Remove the heater hose (A) and AEWP hose (B).

4.
Disconnect the lock pin to remove the heater hose pump connector (A).

5.
Loosen the mounting bolts and remove the AEWP (A).
Tightening torque :
18.6 - 21.6 N.m (1.9 - 2.2 kgf.m, 13.7 - 15.9 Ib-ft)

6.
To install, reverse the removal procedure.
   
•
During key off with the cooling water at high temperature, up to 40 seconds of AEWP noise is normal.

    DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution

    Safety PrecautionPrecautions To Take Before Servicing High Voltage System    • Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Warning Indicator. Repair procedures

    RemovalWarning Indicator1.Disconnect the negative (-) battery terminal.2.Remove the mirror (A).InstallationWarning Indicator1.Install the outside mirror.2.Connect the negative (-) battery terminal.Inspection1.Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly.

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