Service bulletins for the 2021 Ram 1500
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1129 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Driveshaft are shown. Show all
| 0300422REVA | 2023-01-09. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. 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. |
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| 0300422REVA | 2022-10-31. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. 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. |
| 0300422REVA | 2022-10-31. Service bulletin. BACK OVER PREVENTION; POWER TRAIN:DRIVELINE:DRIVESHAFT. 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. |
| 0300422 | 2022-10-31. Service bulletin. BACK OVER PREVENTION; POWER TRAIN:DRIVELINE:DRIVESHAFT. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.