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Service bulletins for the 1998 GMC T-Series

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.

70 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Headlights are shown. Show all

Bulletins, newest first
9908420021999-08-06. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SOME CUSTOMERS MAY COMPLAIN THAT THE DAYTIME RUNNING LIGHTS ARE INOPERATIVE. *TT
7682101998-04-29. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. CONDITION WITH HEADLAMP BOOT LOOSE. *YC

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.