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2018 Ram 1500 Hemi Transmission Shudder at Low Speeds - Fluid Change Needed?

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Ryan M. · rep 0 · May 22, 3:36 AM · 1 replies · solved · Question

Hey everyone, I've got a 2018 Ram 1500 Laramie with the 5.7L Hemi and the 8-speed transmission, just rolled past 80,000 miles. Lately, I've noticed a slight shudder or vibration, especially when accelerating gently from a stop or at lower speeds, around 20-40 mph. It feels like it's coming from the drivetrain.

I've read online that this could be related to the transmission fluid needing a change. Is 80k miles a typical interval for these transmissions? I haven't had any warning lights come on, but the feeling is definitely noticeable now.

Has anyone else experienced this with their 2018 Ram 1500? What's the recommended procedure for a DIY fluid and filter change? Any specific fluid types or filters I should look for? I'm hoping to tackle this myself if it's not too complicated.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:36 AM

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ClearTheCode guidance (Ram · Maintenance & DIY)

Summary: For 2018 Ram 1500 Hemi Transmission Shudder at Low Speeds - Fluid Change Needed?, 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: Hey everyone, I've got a 2018 Ram 1500 Laramie with the 5.7L Hemi and the 8-speed transmission, just rolled past 80,000 miles. Lately, I've noticed a slight shudder or vibration, especially when accelerating gently from a stop or at lower speeds, around 20-40 mph. It feels like it's coming from the drivetrain.

I've read online that this could be related to the transmission fluid needing a change.…

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

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