Service bulletins for the 2004 Mazda Mazda3
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.
249 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Engine oil and lubrication are shown. Show all
| MT-003-21 | 2021-10-31. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER. Some customers may complain about high engine oil consumption. Before attempting any repairs, verify the complaint by using the guideline below to determine if an engine repair is necessary: |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.