2018 Volvo S90 — project-car budget is disappearing into little parts

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. Time, temperature, and whether it's in gear are the notes that actually help a shop. Not trying to scare you — just skip the expensive first guess. If this is nothing, great. I want that in data.

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. Keep sale price, fees, and rate as three different conversations. I'm keeping receipts and dates in one folder.

Owner notes beat generic advice here. On the 2018 Volvo S90 in New York, I'd fix the thing you'll notice every day before chasing spec-sheet extras. I'd do that before spending real money. On “project-car budget is disappearing into little parts,” that was the fork that mattered for me. That's the sequence I'd use. That's my plan before I call anyone.