Hyundai Ioniq: Intake and Exhaust System / Muffler. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Mechanical System / Intake and Exhaust System / Muffler. Repair procedures

Removal and Installation
Front Muffler
1.
Disconnect the battery negative terminal.
2.
Disconnect the oxygen sensor connector (A).

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)

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)

5.
Install in the reverse order of removal.
   
•
When installing, replace with new gaskets.
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)

4.
Install in the reverse order of removal.
   
•
When installing, replace with new gaskets.
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)

2.
Install in the reverse order of removal.
   
•
When installing, replace with new gaskets.
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)

2.
Install in the reverse order of removal.
   
•
When installing, replace with new gaskets.

    Muffler. Components and components location

    C..

    Engine Electrical System

    ..

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