Hyundai Elantra: Air Conditioning System / Refrigerant Line
Components and components location

1. Refrigerant Pipe Assembly
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Repair procedures
1. | If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. |
2. | Disconnect the negative (-) battery terminal. |
3. | Recover the refrigerant with a recovery / charging station. |
4. | Remove the bolts and the expansion valve (A) from the evaporator core. Tightening torque : 8.8 - 13.7 N.m ( 0.9 - 1.4 kgf.m, 6.5 - 10.1 Ib-ft) |

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5. | Loosen the mounting nuts, and then disconnect the discharge line (B) and liquid line (A) from the condenser. Tightening torque : 8.8 - 13.7 N.m ( 0.9 - 1.4 kgf.m, 6.5 - 10.1 Ib-ft) |

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6. | Disconnect the A/C pressure transducer connector (A). 
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7. | Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") |
8. | Remove the bolts, then disconnect the suction line (A) and discharge line (B) from the compressor. Tightening torque : 21.6 - 32.4 N.m ( 2.2 - 3.3 kgf.m, 15.9 - 23.9 Ib-ft) |
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| Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination. |
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9. | Remove the refrigerant line assembly (A) to the upper of engine room. Tightening torque : 7.8 - 11.8 N.m ( 0.8 - 1.2 kgf.m, 5.8 - 8.7 Ib-ft) |

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10. | To install, reverse the removal procedure. •
| Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination. |
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| Tighten the bolt or nut joint to the specified torque. |
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| Using a gas leak detector, check for refrigerant leakage. |
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| Evacuate air in the refrigeration system and charge system with refrigerant. Capacity : 500 ± 25 g (17.6 ± 0.88 oz.) |
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Repair procedures
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