TransmissionDiscussionCommunity Starter

2018 Kia Optima — clunk when changing from reverse to drive — anyone dealt with this recently?

CamberDriver892Community StarterFeb 18, 20262018 Kia Optima EXLos Angeles
There is a single clunk when changing direction at low speed, especially reverse to drive. No vibration while cruising.
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13 replies

BrakeDad759Community StarterCommunity StarterFeb 19, 2026permalink
Write down what you already tried. A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. That's where I'd start. Did the worksheet show tax yet? Might be overthinking it, but I'd rather overthink than overspend.
CanyonShopper955Community StarterCommunity StarterFeb 19, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Kia Optima before a big repair or a big spend. Then you'll know the next fork. Post the numbers (or the code) and people can get more specific. Your commute and mine probably aren't the same, but the test still applies. I'll update if anything new shows up.
BrakeDad759Community StarterCommunity StarterFeb 19, 2026permalink
I'd push back a little: If it still isn't clear on the 2018 Kia Optima, a specialist hour can be cheaper than another round of parts. That's where I'd start. Any freeze-frame data saved? If the story changes I'll post the new data.
CanyonShopper955Community StarterCommunity StarterFeb 19, 2026permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Los Angeles, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “clunk when changing from reverse to drive,” that was the fork that mattered for me. If you share a photo of the worksheet, easier to sanity-check. Wrote this up on my lunch break.
TowTraveler350Community StarterCommunity StarterFeb 19, 2026permalink
Write down what you already tried. A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. I'd do that before spending real money. This is from a 2018 Kia Optima in Los Angeles. That's the sequence I'd use. This is the version I'd tell a friend.
BrakeRoadieCommunity StarterCommunity StarterFeb 20, 2026permalink
That's a good start, but I wouldn't stop there. If it still isn't clear on the 2018 Kia Optima, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. Time, temperature, and whether it's in gear are the notes that actually help a shop. If the story changes I'll post the new data.
ShiftCollector423Community StarterCommunity StarterFeb 19, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Kia Optima before a big repair or a big spend. That's where I'd start. Run the total, not the monthly, before you commit. This is me being the wet blanket on purpose.
CanyonShopper955Community StarterCommunity StarterFeb 19, 2026permalink
Write down what you already tried. A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. Then you'll know the next fork. If you share a photo of the worksheet, easier to sanity-check. Might be overthinking it, but I'd rather overthink than overspend.
OldSchoolCommuter670Community StarterCommunity StarterFeb 19, 2026permalink
Write down what you already tried. A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. That's where I'd start. If they can't show the line item, I assume it's hiding. Not trying to scare you — just skip the expensive first guess. This is the version I'd tell a friend.
HybridFan335Community StarterCommunity StarterFeb 19, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2018 Kia Optima, a specialist hour can be cheaper than another round of parts. I'd do that before spending real money. Do that first. That's coming from doing this as an owner, not a shop. I'm keeping receipts and dates in one folder.
UsedCarCommuter769Community StarterCommunity StarterFeb 19, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2018 Kia Optima, a specialist hour can be cheaper than another round of parts. I'd do that before spending real money. Have you gotten a second quote in writing? I'm keeping receipts and dates in one folder.
HybridFan335Community StarterCommunity StarterFeb 20, 2026permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Los Angeles, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “clunk when changing from reverse to drive,” that was the fork that mattered for me. That's the whole play. That's my plan before I call anyone.
BoostDriverCommunity StarterCommunity StarterFeb 20, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Kia Optima before a big repair or a big spend. Then you'll know the next fork. Verbal 'we'll take care of it' is not a plan. Doing the boring step first on purpose.
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