Mazda CX-9 2016–2018 — technical service bulletin
Bulletin 09-004-18-3402a · NHTSA communication 10129573 · issued Jan 29, 2018
Technical service bulletin
communication type
Structure
component
2016–2018
model years
3
vehicle entries
Official summary
Some customers may complain that the door weatherstrip (1) comes off at the front / lower part of the reardoor(s). This concern is caused by insufficient weatherstrip gripping force.
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.