Mazda CX-3 2018–2019 — technical service bulletin
Bulletin SA-002-19a · NHTSA communication 10159199 · issued Apr 4, 2019
Technical service bulletin
communication type
Equipment
component
2018–2019
model years
10
vehicle entries
Official summary
On May 1, 2018, Japan produced vehicles starting using 17 mm hex lug nuts instead of 21 mm on the same size thread. When installing the accessory locking lug nuts, make sure to use the appropriate part number for the vehicle you are working on.
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.