Overdrive solenoid location

2006 KIA OPTIMA

180,000 MILES • 2.7L • 4 CYL • 2WD • AUTOMATIC

STEVE KOEHLER

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Got the cover off looking at valve body two solenoids on left side passenger side when standing in front of car three solenoids on the right driver side. which one is for fourth gear?

Dec 10, 2017 at 8:20 PM

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STEVE W.

AUTOMOTIVE REPAIR CONTRIBUTOR
15,146 POSTS

More than one. Each solenoid controls a hydraulic circuit. However the various gears require more than one circuit to operate.
In fourth gear three solenoids are on two are off. However, there are also other valves inside the valve body that could be the issue.

These are the hydraulic diagrams for the 2.7 automatic.

What is the problem you are having?

Images (Click to enlarge)

Dec 12, 2017 at 1:47 PM