>
Hyundai Equus Manuals

Hyundai Equus: Heater Core Repair procedures - Heater - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Heater Core Repair procedures

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 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.
Remove the heater core cover (A) after loosening the mounting screws.

4.
Pull out the heater core (A) from the heater unit.

   
Be careful that the inlet and outlet pipe are not bent during heater core removal/installation.
5.
Install in the reverse order of removal.
A.
If you're installing a new heater core, add refrigerant oil (PAG OIL).
B.
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.
C.
Immediately after using the oil, replace the cap on the container, and seal it to avoid moisture absorption.
D.
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.
E.
Apply sealant to the grommets.
F.
Make sure that there is no air leakage.
G.
Charge the system and test its performance.
H.
Do not interchange the inlet and outlet heater hoses and install the hose clamps securely.
I.
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 coolant fro ...

    Evaporator Core Repair procedures
    Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater -"Heater Unit") 3. Remove the heater unit lower case (A) after loos ...

    See also:

    Cleaning the lap/shoulder belt webbing
    Clean the belt webbing with any mild soap solution recommended for cleaning upholstery or carpet. Follow the instructions provided with the soap. Do not bleach or re-dye the webbing because this m ...

    CVVT Oil Control Valve (OCV) Description and Operation
    Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by ...

    Windshield washers
    In the OFF position, pull the lever gently toward you to spray washer fluid on the windshield and to run the wipers 1-3 cycles. Use this function when the windshield is dirty. The spray and wi ...

    Categories

    Hyundai Equus Manuals

    © 2011-2026 Copyright www.heqmanual.com