Okay, I'm new to working on automatic transmissions. I am in the midst of changing out the EPC solenoid. When I dumped the pan and removed it, this small plastic plug with an o-ring and a small shaft on one end was laying in the drain pan. What is this for and where does it go? I ran out of daylight and will be continuing working on it tomorrow, so if someone has an answer before then that would be awesome!
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