2011-2015 Kia Optima Valve Spring - Single Torque Specs

2.4L I4

Applies to 2011, 2012, 2013, 2014, and 2015 Kia Optima

Labor Time:3 hours

Torque Values (10 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	16	12	—
Electrical Connector Bolts	7	5	—
⚠️ Gasket Bolts	20	15	—
⚠️ Gasket Surface Bolts	20	15	Clean mating surfaces
⚠️ Mounting Bolts	47	35	—
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
Sensor Bolts	11	8	—
Sensor Mounting Bolts	11	8	—
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads
Valve Cover Bolts	10	7	Tighten in sequence

The primary torque specification for valve spring - single on a 2011-2015 Kia Optima is 16 Nm (12 lb-ft).

There are 10 torque specifications for valve spring - single on the 2011-2015 Kia Optima 2.4L I4, covering all related fasteners and components.