Service bulletins for the 2020 Chevrolet Silverado
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.
2120 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Air suspension are shown. Show all
| 20NA177 | 2020-11-30. Service bulletin. SUSPENSION; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM:SPRINGS/BAGS. This technical bulletin provides repair information to correct a customer concern of the loss of air pressure causing rear air suspension bags not to inflate. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.