SONATA(YF) >2013 > G 2.4 GDI > Engine Mechanical System > Intake And Exhaust System > Muffler>Repair procedures  
Removal and Installation
1.
Remove the front muffler (B) after disconnecting the oxygen sensor connector (A) (ULEV only).

Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)

2.
Remove the center muffler (B) after disconnecting the oxygen sensor connector (A) (ULEV only).

Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)

3.
Remove the main muffler (A).

Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)

4.
Installation is the reverse order of removal.
When installing, replace with new gaskets.