RAM 1500 2021–2022 — technical service bulletin
Bulletin 0300422REVA · NHTSA communication 10225421 · issued Aug 18, 2022
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
2
vehicle entries
Official summary
Rear Propshaft Clunk This bulletin involves removing the rear driveshaft and greasing the slip yoke splines. The customer may describe the following: A clunk noise from the driveshaft while coming to a stop or when juststarting to tip into throttle at take off.
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.