Ok, I am familiar with the machines that will flush an auto-tranny like at Kwik-Lube for about $80.00, but did you do the flush as a DIY project and if so, how.

Can you detach both cooler lines and put the out-line in an empty bucket and the in-line in a full bucket of new ATF and let the tranny pump do the flush?

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1984 300SD 326,997 miles and counting . . . No wait, my odometer is still dead