ServlogUpdated 2026-07-02
Ram 1500 Transmission Fluid: Change Interval
Compiled & reviewed by Nikolai Tsyrenov · Updated 2026-07-02
When to change the transmission fluid on a 2019-2024 (DT) Ram 1500.
In short: Ram 1500 transmission fluid: 8-speed (8HP) ~60,000 mi severe / longer normal.
| Transmission Fluid interval | 8-speed (8HP) ~60,000 mi severe / longer normal |
|---|---|
| Engine / drivetrain | 3.6L Pentastar V6 (eTorque) or 5.7L HEMI V8; 0W-20 (V6) / 5W-20 (HEMI); 8-speed (8HP) auto |
| Model years | 2019-2024 (DT) |
Why it matters: Transmission fluid lubricates and cools the gearbox. "Lifetime fill" really means "lifetime of the warranty" — heat from towing, hills and stop-and-go traffic ages it much faster.
A drain-and-fill (not a flush) is the safe approach, especially on higher-mileage cars. Use ONLY the exact fluid spec for your transmission — the wrong fluid can ruin a CVT or automatic.
Ram 1500 note: Engine choice changes the cost story: the 5.7 HEMI has SIXTEEN spark plugs on a short ~30k interval, while the 3.6 Pentastar is plug-at-~100k. Both use a chain; towing means earlier trans service.
FAQ
How often should you change the transmission fluid in a Ram 1500?
8-speed (8HP) ~60,000 mi severe / longer normal.
Should I flush or drain-and-fill the transmission on a Ram 1500?
Prefer a drain-and-fill. A pressure flush on an old, never-serviced transmission can dislodge debris; a simple drain-and-fill (repeated if needed) is the gentler, widely recommended option.
Where can I check all Ram 1500 service intervals?
The full Ram 1500 maintenance schedule covers oil, tires, fluids, filters and major milestones for the 2019-2024 (DT) model years.
← Full Ram 1500 maintenance schedule · Transmission Fluid intervals for all cars
General guidance — confirm against your Ram 1500 owner's manual.
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