Acura MDX 2014–2018 — technical service bulletin
Bulletin B16-008 · NHTSA communication 10136425 · issued Apr 26, 2018
Technical service bulletin
communication type
Fuel System, Other
component
2014–2018
model years
18
vehicle entries
Official summary
Service bulletin - The high pressure fuel pump area chirps after the engine is warm. The high pressure fuel pump is making a chirp noise. NOTE: This noise does not impact the pump, engine function, or reliability.
Vehicles covered
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.