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10-30 verses 5-20

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Jun 3, 2022, 3:21 PM

Post #1 of 2 (75482 views)
10-30 verses 5-20 Sign In

Just changed the oil on a 2014 Kia Optima, 2.4L

The owners manual said to use, at least an option to use, 5-30 or 10-30 weight oil. So I did.

Cleaning up after the change, I noticed that the cap said use 5-20. What! I'm convinced, at least for the summer, the 10-30 syn I put in the car is good. Am I safe to assume this?

Hammer Time
Ultimate Carjunky / Moderator
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Jun 3, 2022, 3:26 PM

Post #2 of 2 (75480 views)
Re: 10-30 verses 5-20 Sign In

The only options for that car are 5W20 or 5W30

I wouldn't be too concerned for the summer but get it out before it gets cold.


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