Hyundai Palisade (LX2): Heater / Heater Core

Hyundai Palisade (LX2) 2020-2026 Service Manual / Heating,Ventilation And Air Conditioning / Heater / Heater Core

Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Loosen the mounting nuts, screws and remove the Surround view monitoring (SVM) unit (A).

Hyundai Palisade. Repair procedures
4.
Loosen the mounting screws and remove the heater core cover (A).

Hyundai Palisade. Repair procedures
5.
Loosen the mounting screws and remove the PTC heater (A).

Hyundai Palisade. Repair procedures
6.
Separate the heater core (A) from the heater unit.

Hyundai Palisade. Repair procedures
7.
Install in the reverse order of removal.
Hyundai Palisade. 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 or R-1234yf 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.
•
Refill the cooling system with engine coolant.

    Components and components location Component Location 1. Heater unit assembly Components 1.

    Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly.

    Other information:

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Receiver-Drier

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    Hyundai Palisade (LX2) 2020-2026 Service Manual: Climate Control Air Filter

    Description and operation Description The climate control air filter is located in the blower unit. It eliminates foreign materials and odor. The particle filter performs a role as an odor filter as well as a conventional dust filter to ensure comfortable interior environment.

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