Service bulletins for the 2004 Chevrolet Aveo
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.
409 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Crankcase ventilation (PCV) are shown. Show all
| 4294 | 2008-01-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). CRANKCASE CONTAMINATION DUE TO COOLANT IN THE ENGINE OIL - RESEAL CASTING PLUG. WITH BUILT BEFORE VIN BREAKPOINT 8B067818 (JULY 24, 2007) & 1.6L ENGINE (VIN 6 - RPO L91 OR LXT). *NJ |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.