2018 Equinox 1.6 L turbo diesel differential and transfer case oil change.

[Muck]

I Have a 2018 Equinox 1.6 L diesel.
I'm looking to change differential and transfer case oil. Having a hard time getting information on oil types and quantities. Does anyone have information to share?
Thanks

 

[Fitter30]

https://www.terrainforum.net/threads/2018-terrain-awd-fluid-change.31898/

 

[Jpc1623]

Valvoline transfer case fluid
Rear is 75w90. I use Royal Purple, M1, or Valvoline