July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Fluid - Transfer Case: Description and Operation

TRANSFER CASE

Recommended lubricant for the NV140 transfer case is Mopar(R) ATF+4, Automatic Transmission Fluid. Recommended lubricant for the NV245 transfer case is Mopar(R) NV245/247 Transfer Case Fluid.