Hyundai Equus Manuals

Hyundai Azera: Heater Core Repair procedures - Heater - Heating,Ventilation, Air Conditioning - Hyundai Azera 2011-2026 Service ManualHyundai Azera: Heater Core Repair procedures

Fifth generation HG (2011–2026) / Hyundai Azera 2011-2026 Service Manual / Heating,Ventilation, Air Conditioning / Heater / Heater Core Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Recover the refrigerant with a recovery/ recycling/ charging station.
3.
When the engine is cool, drain the engine coolant from the radiator.
4.
Remove the heater & blower assembly.
(Refer to Heater - "Heater Unit")
5.
Remove the blower unit (B) from heater unit after loosening 3 screws.

6.
Loosen the mounting screw and then remove the heater core cover (A).

7.
Remove the heater core (A) from heater unit.

   
•
Be careful that the inlet and outlet pipe are not bent during heater core removal / installation.
8.
Installation is the reverse order of removal
   
-
If you're installing a new evaporator, add refrigerant oil (ND-OIL8).
-
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.
-
Refill the cooling system with engine coolant
Heater Unit Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 3. When the engine is cool, drain the engine coola ...

Evaporator Core Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 3. When the engine is cool, drain the engine coola ...

See also:

Air Cleaner Repair procedures
Removal and Installation 1. Remove the battery. (Refer to Engine Electrical System - "Battery") 2. Remove the engine cover. 3. Remove the air duct (A). 4. Remove the air cleaner asse ...

LCD display
The Trip computer, User settings, Maintenance system, Warnings, etc. are displayed on the LCD display. To change between groups, press the DISP button. To change between modes in groups, press t ...

Height Adjust Components and Components Location
Component Location 1. Height adjust ...

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