Hyundai Kona: Intake and Exhaust System / Muffler Repair procedures

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

4.
Remove the front muffler 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.
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
Components 1. Front muffler 2. GPF 3. Center muffler 4. Rear muffler 5. Gasket 6. Hanger ...

Engine Electrical System
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Other information:

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Hyundai Kona (OS) 2018-2020 Service Manual: Input shaft speed sensor 1 Repair procedures
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