Verified answer

no, use correct recommended fluid

check out amsoil.com link below and input your car info. If it states to use Dexron III then use it...

using a heavier gear oil will not let it shift correclty and cause more damage...

Np208 Transfer Case Fluid

You probably have a NP208. That calls for trans fluid.

You could also have a NP203 or 205, but most likely it's thee208.

There is a circular tag on the transfer case that will say what it is.