Service bulletins for the 2018 Mazda Mazda3
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
462 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Brake caliper are shown. Show all
| 04-005-19-3512 | 2019-10-04. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; SERVICE BRAKES, HYDRAULIC. 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. |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.