Service bulletins for the 1999 Chevrolet Silverado
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.
333 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Engine are shown. Show all
| 99009 | 1999-05-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). VOLUNTARY EMISSION CAMPAIGN INVOLVING VEHICLES WITH A MISBUILT EXHAUST GAS RECIRCULATION VALVE. *TT |
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| 866506 | 1999-01-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXPERIENCE ENGINE IDLE SHAKE IN DRIVE, PARK, OR NEUTRAL. *YC |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.