Welcome to the Nissan Patrol forum. To post a question and to see less adds on the forum then you will have to register
first. We are an easy going friendly forum so join in the conversations and feel free to ask any questions.
Become a forum sponsor for only $20 and see no adds with faster page loading times and many extras benefits.
I think you should re- read the manual. If the transfer case is filled with ATF from new I would be highly surprised - more like a gearbox 80/90 grade. I think the comment might relate to not putting gearbox oil in the ATF?