2007-2010 Kia Optima Downpipe Torque Specs

2.4L I4

Applies to 2007, 2008, 2009, and 2010 Kia Optima

Labor Time:2 hours

Torque Values (10 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
⚠️ Flange Bolts	47	35	—
⚠️ Flange Bolts	47	35	Apply anti-seize
Hanger Bolts	20	15	—
Hanger Bolts	20	15	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	34	25	Apply anti-seize
Mounting Bolts	27	20	—
⚠️ O2 Sensor	47	35	—
⚠️ O2 Sensor	47	35	Apply anti-seize to threads

The primary torque specification for downpipe on a 2007-2010 Kia Optima is 11 Nm (8 lb-ft).

There are 10 torque specifications for downpipe on the 2007-2010 Kia Optima 2.4L I4, covering all related fasteners and components.