# Service bulletin SA\-020\-25

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.

- Type: Service bulletin
- NHTSA id: 11017697
- Published by NHTSA: 2025\-05\-03
- Manufacturer's number: SA\-020\-25
- Manufacturer's date: 2025\-04\-16
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: Wheel Bearing

## NHTSA's summary

There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017697-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017697-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2016 to 2021 MAZDA CX\-3
- 2020 to 2025 MAZDA CX\-30
- 2013 to 2025 MAZDA CX\-5
- 2023 to 2024 MAZDA CX\-50
- 2025 MAZDA CX\-50 HYBRID
- 2025 MAZDA CX\-70
- 2016 to 2023 MAZDA CX\-9
- 2024 to 2025 MAZDA CX\-90
- 2016 to 2021 MAZDA MAZDA2
- 2012 to 2025 MAZDA MAZDA3
- 2014 to 2021 MAZDA MAZDA6
- 2016 to 2025 MAZDA MX\-5

JSON: [/v1/bulletins/11017697](/v1/bulletins/11017697)

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