replace filter if I drain and refill?

Hello,

You may need to drop the exhaust from the head pipes to gain access to the pan. here is a guide that will help walk you through the steps with instructions in the diagrams below to show you how on your car: This video shows the job being done on a similar car but the process is the same.

https://youtu.be/HJdcWI6m3J4

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.