Hyundai Elantra: Heater / Heater Core
Repair procedures
| 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. 
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| 4. | Pull out the heater core (A) from the heater unit. 

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| 5. | To install, reverse the removal procedure. | •
| If you're installing a new heater core, 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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Components and components location
Component Location1. Heater unit assemblyCompoents1. Heater unit assembly2. Heater tube cover3. Heater core assembly4...
Repair procedures
Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3...
Other information:
Specifications
Manual transaxle type
FF 6th Manual Transaxle (M6CF3-1)
Engine typeGasoline 1.6 T-GDIGear ratio1st3.3082nd1.9623rd1.2944th0.9765th0.7786th0.633Reverse3.583Final gear ratio 4.467Tightening Torques
Items
N...
Component Location1. High/Low beam2. Low beam3. High beam4. Position lamp&DRL5. Front turn signal lamp6. Map lamp7. Vanity lamp1. Stop lamp2. Turn signal lamp3. Tail lamp4. Back up lamp5. Room lamp6. High mounted stop lamp..