Acura MDX 2011–2013 — technical service bulletin
Bulletin IN-2011-13 · NHTSA communication 10052466 · issued Jun 5, 2013
Technical service bulletin
communication type
Suspension
component
2011–2013
model years
5
vehicle entries
Official summary
Acura: certain vehicles are being investigated due to the front wheel bearing making noises, like moaning, droning, or humming, while driving. Models 2011-2013 mdx, zdx. *pe
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.