Mazda CX-3 2014–2018 — technical service bulletin
Bulletin 04-005-19-3512 · NHTSA communication 10165653 · issued Sep 24, 2019
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2014–2018
model years
8
vehicle entries
Official summary
Some vehicles may exhibit a rattle / knock noise from the front disc brake caliper (1) when driving on a rough road surface.This is caused by the slide pin (1) hitting the mounting support (2) due to insufficient holding power of the dust boots (3) when a shock (4) is applied from the road. To eliminate this concern, the dust boots have been modified to increase holding power.
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.