Service bulletins for the 2021 Chevrolet Blazer
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.
814 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Fuel tank are shown. Show all
| 22-NA-057 | 2024-03-28. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. This technical bulletin provides a procedure replace the tappet that is located on the fuel door. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.