Service bulletins for the 2011 Acura MDX
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.
59 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Crankcase ventilation (PCV) are shown. Show all
| B19-006 | 2019-02-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE. Service bulletin - The oil control rings may become clogged with carbon deposits. These deposits restrict the ring's ability to scrape and return oil from the cylinder wall to the crankcase, which can result in excessive engine oil consumption that may exceed client expectations. |
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| B18-009 | 2018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); EQUIPMENT; ENGINE. Service bulletin - The oil control rings may become clogged with carbon deposits. These deposits restrict the ability to scrape and return oil from the cylinder walls to the crankcase, which can result in engine oil consumption that may exceed client expectations. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.