RAM 2500 2024 — technical service bulletin
Bulletin 21-031-25 · NHTSA communication 11017155 · issued Apr 23, 2025
Technical service bulletin
communication type
Engine
component
2024
model years
2
vehicle entries
Official summary
"Oil Leak In Transfer Case Rear Output Shaft Seal Customers may experience the following: ● Oil leak from transfer case rear output shaft seal. This bulletin involves inspecting and possibly replacing the rear transfer case rear output shaft seal."
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.