Hyundai Ioniq (AE): Cooling System / Water Temperature Control Assembly. Components and components location

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Mechanical System / Cooling System / Water Temperature Control Assembly. Components and components location

Components

1. Water temperature control (WTC) outlet fitting
2. Water temperature control (WTC) housing
3. Water temperature control (WTC) gasket
4. Water temperature control (WTC) outlet fitting gasket
5. Water temperature sensor
6. Return & degassing pipe & hose
7. Heater pipe
8. Separate cooling thermostat

    Removal and installation1.Loosen the drain plug, and drain the engine coolant. Remove the reservoir cap to help drain the coolant faster.(Refer to Cooling System - "Coolant")2.

    Removal and installationWater Temperature Control Assembly1.Disconnect the battery negative terminal.2.Loosen the drain plug, and drain the engine coolant.

    Other information:

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

    DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.The sensor output will be used for discharge temperature control, temperature regulation door contrl, blower m

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

    DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

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