Now I know yall are gonna say use the search function, which I did but didnt find whaty I needed. I did however google what Tcase fluid to use in a Borgwarner 4406 and all I found was 2 quarts of Mercron V ATF. Is this correct? Thanks for the help.

 

Correct.

 

What if you put more then 2 quarts in Transfer case, will it hurt anything? make anything not work?

 

You can't overfill it, it will run out the fill hole.

 

Anyone try Mobile 1 synthetic ATF?

 

That should work fine.