Originally Posted by Linctex
I've never done a "drop and fill",
but I do pull a cooler line loose and let 'er idle in Neutral until I get bubbles, which is about 5-6 quarts.
Every 30,000 - 40,000 miles. (4R75E)
I have a large Baldwin BT839-10 filter inline (10 micron) also.
I'm interested in this. Got any other details?