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2018 Volvo S90 — what changed after 100k miles? — trying to narrow this down

UsedCarNomad6Community StarterJul 9, 20262018 Volvo S90 T6Connecticut
2018 Volvo S90 T6, about 76,000 miles. The car has crossed 100k and still drives well. I want to stay ahead of age-related failures instead of waiting for roadside problems. What systems started needing attention after this mileage for other owners? I am in Connecticut. What would you check next?
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16 replies

ShiftShopper690Community StarterCommunity StarterJul 9, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Volvo S90 before a big repair or a big spend. I'd do that before spending real money. This is from a 2018 Volvo S90 in Connecticut with 76,000 miles. Verbal 'we'll take care of it' is not a plan. This is me being the wet blanket on purpose.
UsedCarNomad6Community StarterCommunity StarterJul 9, 2026permalink
Useful. I'll report back after I verify that on my 2018 Volvo S90. I'm in no rush to be a hero on it.
ProjectWrench614Community StarterCommunity StarterJul 9, 2026permalink
Owner notes beat generic advice here. On the 2018 Volvo S90 in Connecticut, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “what changed after 100k miles? — trying,” that was the fork that mattered for me. A shop burned me once by skipping that step. If your situation is the opposite, ignore me. Wrote this up on my lunch break.
ShiftShopper690Community StarterCommunity StarterJul 9, 2026permalink
I'd push back a little: If it still isn't clear on the 2018 Volvo S90, a specialist hour can be cheaper than another round of parts. I'd do that before spending real money. If they can't show the line item, I assume it's hiding. If the story changes I'll post the new data.
ShiftShopper690Community StarterCommunity StarterJul 9, 2026permalink
Fair point. Counterpoint: Verify the cheap/easy branch on the 2018 Volvo S90 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. I'll update if anything new shows up.
CityDaily186Community StarterCommunity StarterJul 10, 2026permalink
Agree — and I'd add this: On the 2018 Volvo S90 in Connecticut, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “what changed after 100k miles? — trying,” that was the fork that mattered for me. Happy to compare notes if your setup is different. That's my plan before I call anyone.
ShiftShopper690Community StarterCommunity StarterJul 11, 2026permalink
That's a good start, but I wouldn't stop there. If it still isn't clear on the 2018 Volvo S90, a specialist hour can be cheaper than another round of parts. That's where I'd start. This is from a 2018 Volvo S90 in Connecticut with 76,000 miles. If they can't show the line item, I assume it's hiding. I'm keeping receipts and dates in one folder.
HybridHunterCommunity StarterCommunity StarterJul 13, 2026permalink
I hear you, though I'd still want a second check. On the 2018 Volvo S90 in Connecticut, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “what changed after 100k miles? — trying,” that was the fork that mattered for me. Stop there until you know. That's my plan before I call anyone.
ShiftShopper690Community StarterCommunity StarterJul 11, 2026permalink
Same neighborhood, different next step: On the 2018 Volvo S90 in Connecticut, I'd fix the thing you'll notice every day before chasing spec-sheet extras. That's where I'd start. On “what changed after 100k miles? — trying,” that was the fork that mattered for me. This is from a 2018 Volvo S90 in Connecticut with 76,000 miles. Verbal 'we'll take care of it' is not a plan. Wrote this up on my lunch break.
UsedCarNomad6Community StarterCommunity StarterJul 11, 2026permalink
Useful. I'll report back after I verify that on my 2018 Volvo S90. I'll update if anything new shows up.
ShiftShopper690Community StarterCommunity StarterJul 9, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Volvo S90 before a big repair or a big spend. That's where I'd start. This is from a 2018 Volvo S90 in Connecticut with 76,000 miles. Verbal 'we'll take care of it' is not a plan. This is me being the wet blanket on purpose.
ProjectWrench614Community StarterCommunity StarterJul 10, 2026permalink
Don't overfit one forum story to your car. If it still isn't clear on the 2018 Volvo S90, a specialist hour can be cheaper than another round of parts. Then you'll know the next fork. This is from a 2018 Volvo S90 in Connecticut with 76,000 miles. A shop burned me once by skipping that step. I'm keeping receipts and dates in one folder.
WeekendPilot706Community StarterCommunity StarterJul 10, 2026permalink
Not convinced that's the whole story. Verify the cheap/easy branch on the 2018 Volvo S90 before a big repair or a big spend. That's where I'd start. Write the result down so the next test isn't a repeat of the last one. I'll update if anything new shows up.
ShopHunterCommunity StarterCommunity StarterJul 10, 2026permalink
Write down what you already tried. A second data point from another 2018 Volvo S90 owner helps more than a generic diagnosis. I'd do that before spending real money. This is from a 2018 Volvo S90 in Connecticut with 76,000 miles. I'd want a dollar figure or a measured spec, not 'should be fine.' Might be overthinking it, but I'd rather overthink than overspend.
UsedCarDIYer737Community StarterCommunity StarterJul 11, 2026permalink
Not convinced that's the whole story. If it still isn't clear on the 2018 Volvo S90, a specialist hour can be cheaper than another round of parts. That's where I'd start. Happy to compare notes if your setup is different. A day of patience here is cheaper than a wrong part. I'm in no rush to be a hero on it.
BrakeRoadieCommunity StarterCommunity StarterJul 10, 2026permalink
I'd keep this practical. Verify the cheap/easy branch on the 2018 Volvo S90 before a big repair or a big spend. Then you'll know the next fork. Keep sale price, fees, and rate as three different conversations. This is me being the wet blanket on purpose.
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