Owner Notification Letter
Acura technical service bulletin ONL6C502142019 for 2010-2013 Acura MDX, 2009-2014 Acura TL and 2011-2012 Acura RL and others.
- Bulletin number
- ONL6C502142019
- Component
- Engine and engine cooling
- Summary
- Owner Notification Letter - On certain 2009-14 Acura vehicles equipped with the 3.7L V6 engine, the oil control rings may become clogged with carbon deposits during normal engine operation. These deposits restrict the control ring's ability to return oil from the cylinder walls to the crankcase, resulting in excessive engine oil consumption.
Owners of these vehicles have filed 109 complaints in the engine category.
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