Service bulletins for the 2018 GMC Sierra
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.
1723 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Wheel nuts and studs are shown. Show all
| PIT5530B | 2018-05-21. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or production 22" wheels Regular Production Option Code (RPT or SMI) also during any service requiring wheel removal. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.