Service bulletins for the 2020 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.
854 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Wheel bearing are shown. Show all
| 20NA146 | 2020-08-31. Service bulletin. STRUCTURE; SUSPENSION:FRONT:WHEEL BEARING. THis technical bulletin provides a procedure to apply tape to correct the condition of Front End Noise While Driving at Highway Speeds. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.