RAM 2500 2021–2025 — technical service bulletin
Bulletin 09-004-25 REV. A · NHTSA communication 11017020 · issued Apr 12, 2025
Technical service bulletin
communication type
Engine
component
2021–2025
model years
10
vehicle entries
Official summary
"Clicking Noisse from Engine At Idle Customers may comment on the following: ● A clicking noise from the engine at idle. This bulletin involves adding oil system protection and letting the engine idle."
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.