Hi,
When it comes to transmission services, I'm still old school. I like removing the pan, draining the fluid, replacing the filter, and then reinstalling the pan with a new gasket.
As far as a drain and fill, since the fluid isn't too dirty, that will help. I always do it at least twice to get more of the dirty fluid out. Basically, I drain it, refill it, drive about a mile, and then do it again.
Now for the flush, that is the one sure way to get all the old fluid out and new fluid in the transmission. I like that idea. The one thing I don't like (and it's likely due to my age) is the filter isn't replaced.
Below, I attached two pics. The first shows the drain location on the transmission oil pan. I included pic 2, which shows the filter, in the event you want to do it that way.
I hope this helps. Let me know if you have other questions.
Take care,
Joe
See pics below.
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Tuesday, April 20th, 2021 AT 8:58 PM