Kia Niro: Heater / Heater Core Repair procedures
1. |
Disconnect the negative (-) battery terminal.
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2. |
Remove the heater and blower assembly.
(Refer to Heater -"Heater Unit")
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3. |
Remove the heater core cover (A) after loosening the mounting screws.

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4. |
Loosen the mounting screws and remove heater core cover (A).

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5. |
Pull out the heater core (A) from the heater unit.

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6. |
Install in the reverse order of removal.
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When installing a new heater core, add refrigerant oil (POE OIL).
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• |
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.
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• |
Immediately after using the oil, replace the cap on the container,
and seal it to avoid moisture absorption.
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• |
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.
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• |
Apply sealant to the grommets.
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Make sure that there is no air leakage.
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• |
Charge the system and test its performance.
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• |
Install the hose clamps securely without interchanging the inlet
and outlet heater hoses.
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Replacement
When prying with a flat-tip screwdriver or a prying trim tool, wrap a
protective tape around the rela ...
Components Location
1. Temperature control actuator [LH]
2. Temperature control actuator [RH]
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