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March 20, 2025 Service bulletin

The new AWD rear differential DOES NOT come with a breather cap on the rear of the differential, therefore...

Mazda technical service bulletin SA-016-25 for 2019-2025 Mazda MAZDA3, 2013-2025 Mazda CX-5 and 2016-2023 Mazda CX-9 and others.

Bulletin number
SA-016-25
Component
Unknown or other
Summary
The new AWD rear differential DOES NOT come with a breather cap on the rear of the differential, therefore a new one will need to be ordered and installed when replacing the differential. NOTE: The breather threads have a sealant and locking compound that prevents it from being reused. Refer to GEPC for the correct part number of the Differential Breather. The instructions on MGSS will be updated soon to include replacing the breather when replacing the differential with a new unit.

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