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2018 Kia Optima — engine fits but driveline angle is not ideal

LongMilesEnthusiast229Community StarterDec 6, 20252018 Kia Optima EXCentral Jersey
2018 Kia Optima EX, about 115,000 miles. Mock-up clears the steering and firewall, but getting the transmission output lined up perfectly would require moving the engine.
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33 replies

BatteryCommuter524Community StarterCommunity StarterDec 6, 2025permalink
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. That's where I'd start. No need to make it theatrical. If the story changes I'll post the new data.
ManualDaily983Community StarterCommunity StarterDec 6, 2025permalink
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. I'd want that in writing, not as a promise. Might be overthinking it, but I'd rather overthink than overspend.
WrenchHunter768Community StarterCommunity StarterDec 6, 2025permalink
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. That's the sequence I'd use. I'd sleep better after that step, even if it finds nothing. Might be overthinking it, but I'd rather overthink than overspend.
SunBeltDaily76Community StarterCommunity StarterDec 6, 2025permalink
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. That's where I'd start. No need to make it theatrical. A day of patience here is cheaper than a wrong part. I'm keeping receipts and dates in one folder.
TrackEnthusiastCommunity StarterCommunity StarterDec 6, 2025permalink
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. Had a similar mess a couple years ago and that's what finally sorted it. Make the next action something you can finish this week. I'm keeping receipts and dates in one folder.
DetailBuilder590Community StarterCommunity StarterDec 6, 2025permalink
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. That's where I'd start. Have you gotten a second quote in writing? A day of patience here is cheaper than a wrong part. If the story changes I'll post the new data.
ManualDaily983Community StarterCommunity StarterDec 6, 2025permalink
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. Verbal 'we'll take care of it' is not a plan. If the story changes I'll post the new data.
UsedCarNerdCommunity StarterCommunity StarterDec 6, 2025permalink
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. Just my two cents from doing this recently. I'll update if anything new shows up.
TrackNerdCommunity StarterCommunity StarterDec 6, 2025permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “engine fits but driveline angle is not,” that was the fork that mattered for me. This is from a 2018 Kia Optima in Central Jersey with 115,000 miles. If it doesn't change the out-the-door or the repair estimate, it's noise. That's my plan before I call anyone.
SunBeltDaily76Community StarterCommunity StarterDec 6, 2025permalink
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. No need to make it theatrical. This is me being the wet blanket on purpose.
TrackNerdCommunity StarterCommunity StarterDec 7, 2025permalink
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 it doesn't change the out-the-door or the repair estimate, it's noise. If this is nothing, great. I want that in data.
ColdStartFan202Community StarterCommunity StarterDec 7, 2025permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “engine fits but driveline angle is not,” that was the fork that mattered for me. This is from a 2018 Kia Optima in Central Jersey with 115,000 miles. Learned this the expensive way on a previous car. Climate here is different, so treat that as a local data point. That's my plan before I call anyone.
SunBeltDaily76Community StarterCommunity StarterDec 7, 2025permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Kia Optima before a big repair or a big spend. I'd do that before spending real money. No need to make it theatrical. This is me being the wet blanket on purpose.
SunBeltDaily76Community StarterCommunity StarterDec 7, 2025permalink
Quick add on that: A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. I'd do that before spending real money. That's the sequence I'd use. I'd sleep better after that step, even if it finds nothing. If this is nothing, great. I want that in data.
TrackNerdCommunity StarterCommunity StarterDec 8, 2025permalink
I'd push back a little: 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. I'd want a dollar figure or a measured spec, not 'should be fine.' This is me being the wet blanket on purpose.
LongMilesEnthusiast229Community StarterCommunity StarterDec 7, 2025permalink
I parked the 2018 Kia Optima and wrote down what I already tested so I'm not repeating myself. This is the version I'd tell a friend.
GarageCamperCommunity StarterCommunity StarterDec 7, 2025permalink
Quick add on that: On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “engine fits but driveline angle is not,” that was the fork that mattered for me. Post the numbers (or the code) and people can get more specific. I'd rather look cautious in this thread than stuck later.
NewCarMechanicish876Community StarterCommunity StarterDec 7, 2025permalink
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. Had a similar mess a couple years ago and that's what finally sorted it. Doing the boring step first on purpose.
FlatSixDetailer35Community StarterCommunity StarterDec 7, 2025permalink
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. No need to make it theatrical. I'm keeping receipts and dates in one folder.
DailyWrenchCommunity StarterCommunity StarterDec 7, 2025permalink
I hear you, though I'd still want a second check. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “engine fits but driveline angle is not,” that was the fork that mattered for me. Write the result down so the next test isn't a repeat of the last one. Wrote this up on my lunch break.
ColdStartFan202Community StarterCommunity StarterDec 7, 2025permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “engine fits but driveline angle is not,” that was the fork that mattered for me. Learned this the expensive way on a previous car. Wrote this up on my lunch break.
UsedCarNerdCommunity StarterCommunity StarterDec 8, 2025permalink
Asking because it changes the advice: Verify the cheap/easy branch on the 2018 Kia Optima before a big repair or a big spend. I'd do that before spending real money. Not gospel, but it saved me a headache. I've seen both outcomes, which is why I'd test instead of assume. I'll update if anything new shows up.
ColdStartFan202Community StarterCommunity StarterDec 9, 2025permalink
Quick add on that: A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. I'd do that before spending real money. Had a similar mess a couple years ago and that's what finally sorted it. If this is nothing, great. I want that in data.
NewCarMechanicish876Community StarterCommunity StarterDec 7, 2025permalink
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. That's where I'd start. A shop burned me once by skipping that step. A day of patience here is cheaper than a wrong part. I'm in no rush to be a hero on it.
TrackEnthusiastCommunity StarterCommunity StarterDec 7, 2025permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “engine fits but driveline angle is not,” that was the fork that mattered for me. Had a similar mess a couple years ago and that's what finally sorted it. This is the filter I use when the thread starts repeating itself. That's my plan before I call anyone.
ManualDaily983Community StarterCommunity StarterDec 7, 2025permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “engine fits but driveline angle is not,” that was the fork that mattered for me. I'd want that in writing, not as a promise. This is the filter I use when the thread starts repeating itself. I'd rather look cautious in this thread than stuck later.
ColdStartFan202Community StarterCommunity StarterDec 7, 2025permalink
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. A shop burned me once by skipping that step. I'll update if anything new shows up.
TrackNerdCommunity StarterCommunity StarterDec 7, 2025permalink
Owner notes beat generic advice here. On the 2018 Kia Optima in Central Jersey, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “engine fits but driveline angle is not,” that was the fork that mattered for me. If it doesn't change the out-the-door or the repair estimate, it's noise. I'd rather look cautious in this thread than stuck later.
DailyWrenchCommunity StarterCommunity StarterDec 7, 2025permalink
Same neighborhood, different next step: A second data point from another 2018 Kia Optima owner helps more than a generic diagnosis. That's where I'd start. Keep sale price, fees, and rate as three different conversations. If this is nothing, great. I want that in data.
TrackNerdCommunity StarterCommunity StarterDec 7, 2025permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Kia Optima before a big repair or a big spend. I'd do that before spending real money. I'd want a dollar figure or a measured spec, not 'should be fine.' This is me being the wet blanket on purpose.
SunBeltDaily76Community StarterCommunity StarterDec 7, 2025permalink
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. This is from a 2018 Kia Optima in Central Jersey with 115,000 miles. That's the sequence I'd use. This is the version I'd tell a friend.
BatteryCommuter524Community StarterCommunity StarterDec 7, 2025permalink
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. That's the sequence I'd use. I'd rather be boring and correct. If this is nothing, great. I want that in data.
ManualDaily983Community StarterCommunity StarterDec 9, 2025permalink
I'd push back a little: 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. If they can't show the line item, I assume it's hiding. Doing the boring step first on purpose.
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