Kia Cee'd: Heater / Heater Unit Repair procedures
1. |
Disconnect the negative (-) battery terminal.
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2. |
Recover the refrigerant with a recovery/recycling/charging station.
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3. |
When the engine is cool, drain the engine coolant from the radiator.
(Refer to Engine Mechanical - "Coolant")
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4. |
Remove the expansion valve (A) from the evaporator core.
Tightening torque :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.7 ~ 8.7 lb-ft)
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Plug or cap the lines immediately after disconnecting
them to avoid moisture and dust contamination.
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When installing, replace it with a new O-ring (B).
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5. |
Disconnect the inlet (A) and outlet (B) heater hoses from the heater
unit.
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Engine coolant will run out when the hoses are disconnected;
drain it into a clean drip pan. Be sure not to let coolant
spill on electrical parts or painted surfaces. If any
coolant spills, rinse it off immediately.
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6. |
Remove the main crash pad assembly.
(Refer to Body - "Main Crash Pad Assembly")
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7. |
Remove the cowl cross bar assembly.
(Refer to Body - "Cowl Cross Bar Assembly")
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8. |
Remove the heater & blower unit after loosening the mounting bolt (A).
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9. |
Separate the blower unit from the heater unit after loosening 3 screws.
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10. |
Installation is the reverse order of removal.
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If you're installing a new evaporator, add refrigerant oil (PAG
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 or R-1234yf 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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Do not interchange the inlet and outlet heater hoses and install
the hose clamps securely.
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Refill the cooling system with engine coolant
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Component Location
Components
1. Heat Case (Left)
2. Heat Case (Right)
3. Separator
4. Defog Door
5. Vent Door
6. Vent Guide
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Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater & blower assembly.
(Refer to Heater - &q ...