Service bulletins for the 1999 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.
282 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Transmission and driveline are shown. Show all
| 990730009 | 1999-08-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT PERTAINING TO HARSH 1 - 2 AND 3 - 2 SHIFTS. *TT |
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| 990730010 | 1999-08-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DRIVELINE VIBRATION / GROWL NOISE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.