Muffler Torque Specifications

2007-2010 Kia Optima 2.4L I4

Labor Time:1 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
⚠️ Clamp Bolts	54	40	—
⚠️ Flange Bolts	41	30	Apply anti-seize
Hanger Bolts	20	15	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	34	25	Apply anti-seize
⚠️ O2 Sensor	47	35	—
⚠️ O2 Sensor	47	35	Apply anti-seize to threads

The primary torque specification for muffler on a 2007-2010 Kia Optima is 54 Nm (40 lb-ft).

There are 7 torque specifications for muffler on the 2007-2010 Kia Optima 2.4L I4, covering all related fasteners and components.