Transfer Case Fluid

[jw818]

What type of fluid are ya'll running in ya'lls transfer case? I have the part time transfer case with manual locking hubs. According to the manual I have it says to put 140w. It seems a little thick to me and I don't want to do more harm than good.

 

[DNFXDLI]

I use a synthetic 75-140...edit...sorry...75-90.

 

[SuperCab]

If its a np205 case, then 80-90 or similar gear oil such as what you used is perfect.

Full time np203 cases take 10-30 motor oil.

Most other chain drive cases such as np208 and others take automatic transmission fluid.

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