Hyundai i-30: Intake and Exhaust System / Muffler

Hyundai i30 (PD) 2018-2024 Service Manual / Engine Mechanical System / Intake and Exhaust System / Muffler

Components and components location
Components

1. Front muffler
2. GPF
3. Center muffler
4. Rear muffler
5. Gasket
6. Hanger

Repair procedures
Removal and Installation
Front Muffler
1.
Remove the engine cover.
(Refer to Engine and Transaxle Assembly - "Engine Cover")
2.
Disconnect the battery negative terminal.
3.
Disconnect the oxygen sensor connector (A).

4.
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)

5.
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)

6.
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.
Disconnect the battery negative terminal.
2.
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)

3.
Install in the reverse order of removal.
  
When installing, replace with new gaskets.

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