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Can you lubricate an alternator?

The battery in my car is constantly running out, and I think it's because my alternator isn't spinning properly. I heard that adding lubricant can help a malfunctioning alternator, but I don’t want to damage anything. Can you lubricate an alternator?

Kara Vanderbeek · Updated on Aug 3, 2022

Reviewed by Shannon Martin, Licensed Insurance Agent.

You can lubricate an alternator, but you need to consider:

The type of lubricant

The method of pumping

The environment the lubricant is stored in Most lubricant products will specify the lubricant type and relubrication frequency and quantities on the label, but it is important to never mix lubricant types. Further, it’s recommended to use a grease gun solely dedicated to alternator bearing relubrication. To avoid any damage to your vehicle, you must also ensure that the lubricant, grease gun, grease nozzle, and relubrication tip are free from contaminants. Once your alternator is back in working order, ensure you’re protected on the road with the right

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