Hyundai Venue (QX): Heater / Evaporator Core. Repair procedures

Hyundai Venue (QX) (2020-2025) Service Manual / Heating, Ventilation and Air Conditioning / Heater / Evaporator Core. Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater unit assembly.
(Refer to Heater - "Heater Unit")
3.
Separate the evaporator temperature sensor connector (A), loosen the mounting screws and remove the evaporator core cover (B).

Hyundai Venue. Evaporator Core. Repair procedures
4.
Pull out the evaporator core (A) from the heater unit.

Hyundai Venue. Evaporator Core. Repair procedures
5.
Remove the evaporator temperature sensor (A).

Hyundai Venue. Evaporator Core. Repair procedures
6.
To install, reverse the removal procedure.
Hyundai Venue. Evaporator Core. Repair procedures   
•
If you're installing a new heater core, add refrigerant oil (PAG OIL).
•
Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for R - 134a to avoid leakage.
•
Immediately after using the oil, replace the cap on the container, and seal it to avoid moisture absorption.
•
Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil contacts the paint, wash it off immediately.
•
Apply sealant to the grommets.
•
Make sure that there is no air leakage.
•
Charge the system and test its performance.
•
Do not interchange the inlet and outlet heater hoses and install the hose clamps securely.

    Inspection Operating Logic Test (Manual only) Inspect the PTC operation by confirmation logic as follows; 1. Entering (1) Set the Floor mode and maximum heating position.

    Components Location 1. Temperature control actuator

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