Single Cam Engine — Tightening Torque (Hyundai Sonata Y3)

Intake manifold to cylinder head - 15-20

Exhaust manifold to cylinder head - 15-20

Oxygen sensor to the exhaust manifold (for cars running on unleaded gasoline) - 40-50

Front muffler assembly to exhaust manifold (for cars running on leaded petrol) — 30-40

Front muffler bracket assembly (for vehicles running on leaded gasoline) - 20-30

Front exhaust pipe to catalytic converter (for vehicles running on unelite gasoline) — 40-60

Catalytic converter to central muffler assembly (for cars running on unleaded gasoline) — 30-40

Central muffler assembly to the main muffler (for cars running on unleaded gasoline) - 30-40

Front muffler assembly to main muffler (for cars running on leaded petrol) — 30-40

Support bracket, main muffler - 10-20