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2018 S60 T5 - Rough Shifts, Time for Transmission Fluid Change?

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Chris P. · rep 0 · May 22, 5:15 AM · 1 replies · solved · Question

My 2018 Volvo S60 T5, with about 80,000 miles, has started shifting a bit rough, especially from 2nd to 3rd gear. It's not a violent jerk, but definitely noticeable and not as smooth as it used to be. I'm wondering if it's time to consider a transmission fluid change.

I've heard mixed opinions on Volvo's "lifetime" fluid. Is this something a DIYer can tackle, or is it best left to the dealership? What type of fluid should I be looking for? I haven't seen any check engine lights yet, but the rough shifts are concerning.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:15 AM

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ClearTheCode guidance (Volvo · Maintenance & DIY)

Summary: For 2018 S60 T5 - Rough Shifts, Time for Transmission Fluid Change?, work through these steps on your 2016+ vehicle:

  1. Confirm the symptom — note when it happens (cold start, highway, after fuel fill, etc.).
  2. Scan codes — save all pending/stored DTCs; don't clear until you've recorded them.
  3. Check TSBs & recalls — look up your VIN for open campaigns and known fixes.
  4. Inspect the obvious — related fuses, connectors, fluid level, and recent repairs.
  5. Test the common fix — follow model-specific service procedures; one change at a time.
  6. Escalate if needed — burning smell, no brakes, overheating, or stalling in traffic → shop visit.

Owner reported: My 2018 Volvo S60 T5, with about 80,000 miles, has started shifting a bit rough, especially from 2nd to 3rd gear. It's not a violent jerk, but definitely noticeable and not as smooth as it used to be. I'm wondering if it's time to consider a transmission fluid change.

I've heard mixed opinions on Volvo's "lifetime" fluid. Is this something a DIYer can tackle, or is it best left to the dealership?…

This is educational guidance, not a substitute for hands-on diagnosis.

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