Mazda CX-9 2016–2020 — technical service bulletin
Bulletin 09-005-20-3653a · NHTSA communication 10185051 · issued Dec 10, 2020
Technical service bulletin
communication type
Equipment
component
2016–2020
model years
5
vehicle entries
Official summary
Some vehicles may exhibit a rattle, clunk or pop noise from the front of the vehicle while driving. The noise may be caused by loose cowl panel bolts.
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.