I just did my Ford, didn't drop the pan (as that only gets about 1/3 of it). I used the pump out method. Basically disconnect the quick connect line return line from the radiator (at least that is where mine was - just find a convenient place). Attach a bit of clear tubing to it and run that to the catch container. Start the engine, pump out 2-4 quarts (when you see air bubbles stop). Put the same amount of new fluid back in through the dip stick tube. Repeat process 3-4 times until you see new fluid being pumped out. If you always put in what you take out, you'll be pretty close to the right level. Reconnect the line where you tapped into it, check the levels and top off as necessary. All done, little mess. Ive seen a couple of posts about this method elsewhere. Google it for more detailed directions if you need/want to pursue this route.
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