Hyundai Ioniq: Heater Hose Pump / Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service 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).

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)

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.

Description and operation

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...

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