Mazda MAZDA3 2014–2018 — technical service bulletin
Bulletin RF-23-03 · NHTSA communication 10232305 · issued Feb 6, 2023
Technical service bulletin
communication type
Structure
component
2014–2018
model years
5
vehicle entries
Official summary
Due to a supplier change in Dec 2022, bonnet part number BHY0-52-31XA (with seam sealer) will be discontinued and replaced by new part number BAY0-52-31X which does not contain seam sealer. Seam sealer will need to be applied when the hood is being replaced at a collision center/service center.
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.