Mazda MAZDA3 2018 — technical service bulletin
Bulletin DRW14 · NHTSA communication 10143958 · issued Jun 8, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
1
vehicle entries
Official summary
We write to inform you that certain vehicles are affected by the concern mentioned below. Vehicles affected by this DRW will be visible, June 9, 2018. VIN lists for the DRW14 will be uploaded to MGSS on June 8, 2018. Parts and Warranty information and inspection/repair procedures are expected next week and will be uploaded as soon as possible. Certain subject Mazda3 vehicles may have a casting flaw in the front cover fastening bolt hole of the engine block.
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.