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: Exhaust and emissions are shown. Show all
| 3119 | 2004-11-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC |
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| 030605008B | 2004-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. *TT |
| 020605003C | 2003-10-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST MOAN/VIBRATION. *TT UPDATE. *TT |
| 020605003A | 2003-04-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST MOAN/VIBRATION. *TT |
| 020605003 | 2002-10-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXHAUST MOAN OR VIBRATION AT LOW VEHICLE SPEEDS BETWEEN 900-1200 RPM UNDER LOAD. *TT |
| 99009 | 1999-08-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). VOLUNTARY EMISSION CAMPAIGN REGARDING VEHICLES BUILT WITH THE WRONG EXHAUST GAS RECIRCULATION VALVE. *TT |
| 99009 | 1999-08-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). SUBJECT REGARDING EXHAUST GAS RECIRCULATION VALVE (EGR) MISBUILDS. *TT |
| 99109 | 1999-08-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). RECALL CAMPAIGN REGARDING EXHAUST GAS RECIRCULATION VALVE MISBUILDS. *TT |
| 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.