Hyundai Ioniq (AE): 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.
   
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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: PTC Heater. Repair procedures

    InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.(2)Turn off the blower switch.(3)Press the intake (recirculation) button 5 times or more.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Description and operation

    DescriptionThe smart cruise control system allows a driver to program the vehicle to control the speed and following distance by detecting the vehicle ahead without depressing the brake pedal and the accelerator pedal.1.Cruise speed control : The vehicle maintains the selected speed if there are not vehicles ahead.

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