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2020 Ram 1500 Hemi - Transmission Fluid Service Interval & DIY?

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Jennifer H. · rep 0 · May 22, 3:34 AM · 1 replies · solved · Question

Hey everyone, I've got a 2020 Ram 1500 Laramie with the 5.7L Hemi, just hit about 60,000 miles. I'm wondering about the transmission fluid. The manual says 'inspect' at certain intervals, but when should I actually change it? I tow a travel trailer pretty regularly, maybe 4-5 times a year.

Is this something I can tackle myself, or is it best left to the pros? I've done oil changes and diff fluid before, but never a transmission. What fluid type should I be looking for, and are there any special tools or procedures for the 8-speed ZF transmission in these trucks?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:34 AM

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ClearTheCode guidance (Ram · Maintenance & DIY)

Summary: For 2020 Ram 1500 Hemi - Transmission Fluid Service Interval & DIY?, 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 2020 Ram 1500 Laramie with the 5.7L Hemi, just hit about 60,000 miles. I'm wondering about the transmission fluid. The manual says 'inspect' at certain intervals, but when should I actually change it? I tow a travel trailer pretty regularly, maybe 4-5 times a year.

Is this something I can tackle myself, or is it best left to the pros? I've done oil changes and diff flui…

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

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