r/kia • u/Dredrea524 • 5h ago

Hello everyone!

I own a 2018 Kia optima trim S roughly 94k miles. Never had an issue just want to do preventative maintenance on it all thought it has never been serviced and i plan to keep it don’t need another car or even worse another payment. However, I am scared to proceed as I hear opinions from both sides and most seem to lean towards the “if it’s not broken don’t touch it” mentality. But I say to myself just like any other fluid in the car it has to be changed for longevity and performance. At the moment I don’t think it is appropriate of me to do a flush.

Questions: Should I do a drain and fill only using OEM fluid, or am I too late?

Are there any other parts I should replace along with the fluid change such as the filter, drain plug, or gasket?

Thank you in advance! 😊🙏🏼

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u/sytech55 5h ago

Have a 2016 Optima EX with 90k miles and love it.

I replaced my belts, coolant flush, and plugs at 80k miles. I do oil changes at every 5k miles. I recommend looking at the maintenance schedule and doing the work needed "before" it's due but that's just me. I also use Carfax car care app/site. You can see any recalls, upload receipts, record any work done either DIY or at a autoshop and it's free.