The drain/fill seems to be doing some cleaning. Since doing so the first fluid exchange the car has ~400 miles on it. I was able to extract 400ml again and it was nasty already. Grey in color and seemingly thicker than the gear oil I refilled with. I should have taken some pictures but will...
I just found this product as well. Doesn't seem to really be available though, at least not in the US.
https://www.valvolineglobal.com/en/differential-transfer-case-mt-cleaner/
I can give the 75W-90 a shot. I'm hoping to find some time this weekend for another drain/fill. Hopefully I can extract more this time as well, but I'm wondering if the volume extracted the first time was so small because the cases are full of pudding and not fluid.
Hopefully I can fish the hose around to different spots and get more out next time. I'm using a Mityvac which does a good job if I can get the hose into fluid.
Most importantly, I'm trying to understand if repeated drain/fill will dissolve the old crap, or if there's some type of...
Hello oil fans,
I recently purchased a 2015 Ford Explorer 3.5L NA with 196,000 miles on for our high school kids to drive. One issue these vehicles have is that the Power Transfer Unit (PTU -think non-selectable transfer case to drive the rear wheels) fluid never gets changed because Ford...