Hi,
It sounds like either the starter itself is bad (drawing too much amperage) or something is causing the Bendix to bind. Is it possible for you to record what it is doing and upload it for me to hear?
As far as the starter, if it drains the battery that quickly, chances are it is failing internally.
At this point, I would recommend removing the starter motor and having it bench tested at a parts store. Most do it free of charge. In addition to operation, ask them to check the voltage/amperage drawn from the starter motor.
Here is a link that explains in general how to remove the starter. Make sure the battery is disconnected prior to working on the removal.
https://www.2carpros.com/articles/how-to-replace-a-starter-motor
Let me know what you find or if you have other questions. Also, if you could record it and upload it for me to hear, that may help me.
Take care,
Joe
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Friday, April 8th, 2022 AT 9:03 PM