I finally did it. 54k on orange. Changed it to yellow.
5 drain and fills with distilled water. Then put in 1 gallon of yellow, drove around for awhile, drained it once more in a clean container, filled with one more gallon of yellow. It tested with just a bit more of antifreeze then water. So I’ll adjust that later.
The first drain of antifreeze in clean container is now saved for top off as its real close to 50/50 mix now. Actually it’s got more water then antifreeze. Or I’ll use it in my F150 when I swap out the orange.
I also changed the oil and PTU fluid. Just throwing that out there. I don’t know why but doing maintenance always puts a smile on my face when I drive it. ?