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How to Replace Worn Alternator Brushes

by Nathan McCullough; Updated September 18, 2017

Worn out alternator brushes are the most common reason an alternator fails or breaks down. Learn how to replace the alternator brushes in these free auto repair video instructions featuring a certified mechanic.

About the Author

Nathan McCullough graduated from Nashville Auto Diesel College in 1998 and received their “Craftsman” Award for maintaining a 3.5 GPA. He holds 7 of the 8 possible automotive repair certifications. Nathan has worked as a technician and service manager for both independent repair facilities and dealerships. He has also worked for Michigan Caterpillar.

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