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How to Replace the Alternator Brushes

Model: (Various brands) Various
Part: Alternator

Video tutorial

Let's see how to replace the alternator brushes. If you notice battery charging issues or strange noises, it may be time to intervene.

After disconnecting the battery for safety, remove the alternator from the vehicle, paying attention to the fastenings and cables. Once disassembled, access the brush assembly: check for signs of wear and how to extract the old brushes.

Before fitting the new brushes, it is essential to check the condition of the collector (the copper rings) because if it is damaged, the replacement would not be effective. Insert the new brushes, reassemble the alternator, and reconnect all connections.

Finally, conduct a charging test to verify proper operation.


Posted on 27 June 2026 by ScegliAuto


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by ScegliAuto

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