Service bulletins for the 1992 GMC Sonoma
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.
4 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Engine are shown. Show all
| 236111 | 1996-04-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CPI ENGINE NOISE (INSTALL NEW GEARS/NEW MEM-CALS). *SD |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.