engine

Valve Job - Complete Torque Specs

for 2016 Kia Optima 2.4L I4 · FWD

Units

14 fasteners

Seq

Component

Torque

Angle

—

Camshaft Cap Bolts

Critical

Tighten in sequence from center outward, multiple passes

10 lb-ft · 14 Nm

—

Camshaft Sprocket Bolt

Critical

Hold cam with wrench on hex

59 lb-ft · 80 Nm

—

Cover Bolts

12 lb-ft · 16 Nm

—

Cylinder Head Bolts

Critical

TTY - tighten in sequence plus angle

48 lb-ft · 65 Nm

—

Exhaust Manifold Nuts

Critical

Apply anti-seize, work hot-to-cold

22 lb-ft · 30 Nm

—

Gasket Bolts

Critical

15 lb-ft · 20 Nm

—

Intake Manifold Bolts

Critical

18 lb-ft · 25 Nm

—

Mounting Bolts

Critical

35 lb-ft · 47 Nm

—

Mounting Bolts

20 lb-ft · 27 Nm

—

Rocker Arm Bolts

Critical

Tighten with cam lobe pointing away

22 lb-ft · 30 Nm

—

Sensor Bolts

8 lb-ft · 11 Nm

—

Timing Chain Tensioner Bolt

Critical

Install with pin/clip to compress

18 lb-ft · 25 Nm

—

Timing Cover Bolts - 8mm

Critical

Tighten in sequence

18 lb-ft · 25 Nm

—

Valve Cover Bolts

Tighten in sequence

7 lb-ft · 10 Nm

—

2016 KIA OPTIMA

14 fasteners