Hyundai Ioniq: Intake and Exhaust System / Muffler. Repair procedures
Front Muffler
1. | Disconnect the battery negative terminal. |
2. | Disconnect the oxygen sensor connector (A). 
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3. | Remove the heat protector (A). Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft) |

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4. | Remove the front muffler (A). Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft) |

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5. | Install in the reverse order of removal. •
| When installing, replace with new gaskets. |
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GPF
1. | Disconnect the battery negative terminal. |
2. | Remove the exhaust gas temperature sensor (EGTS) #1,#2. (Refer to Engine Control / Fuel System - "Exhaust Gas Temperature Sensor (EGTS)") |
3. | Remove the GPF (A). Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft) |

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4. | Install in the reverse order of removal. •
| When installing, replace with new gaskets. |
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Center Muffler
1. | Remove the center muffler (A). Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft) |

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2. | Install in the reverse order of removal. •
| When installing, replace with new gaskets. |
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Rear Muffler
1. | Remove the rear muffler (A). Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft) |

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2. | Install in the reverse order of removal. •
| When installing, replace with new gaskets. |
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Other information:
Removal1.Disconnect the negative (-) battery terminal.2.Remove the driver seat assembly.(Refer to Body - "Front Seat Assembly")3.Loosening the IMS unit mounting screws.4.Disconnect the IMS module connectors (B) and then remove the IMS unit (A).Installation1...
Description 1.General descriptionWU is a sensor placed in the tire that reports pressure and temperature.The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable.This allows adaptation to various types of rims...
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The seatback pocket is provided on the back of the front passenger's seatback.
WARNING
To prevent the Occupant Classification System from malfunctioning:
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