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How to Replace the Alternator Belt in the Mazda 3?

Model: Mazda 3 BM, BN, MK 3 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: V-belt

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Video tutorial

In this tutorial, learn how to replace the alternator belt in the Mazda 3, a very simple and quick operation. First, ensure the engine is cool enough to work safely, then open the bonnet and locate the belt in question.

Next, use a long 17mm socket wrench to grasp the tensioner, loosen the tension by moving it outward, and remove the old belt. Similarly, you can fit the replacement, ensuring to follow the pattern shown in the video.


Posted on 10 June 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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