Castrol EPX 80w/90 is recommended. Any high quality extreme pressure hypoy gear oil will do the job.
Change and flush the transfer case fluid immediately.
The 1974 model 203 transfer case has a fluid capacity of 5.5 quarts. You can check the fluid level from the same hole that you fill the transfer case.
242 transfer case uses ATF+4 transmission fluid. 247 transfer case uses a special transfer case fluid available from the dealer.
It uses Trak II transfer case fluid, GM part number 12378508. The fluid goes in a hole, use a ratchet with an extension to remove it, on the side of the transfer case.
Remove the fill plug on the transfer case and see if fluid is up to the edge of the plug!
yes you can put the same fluid in the transfer case.
A 2002 Ram transfer case uses ATF+4 transmission fluid.
Motorcraft MERCON automatic transmission fluid is used in the transfer case
The transfer case uses ATF.
NP245 or NP247 use a special transfer case lube NP231 or NP242 use Automatic Transmission Fluid
Motorcraft MERCON automatic transmission fluid in your 4x4 transfer case
Transfer case is lubricated by the transmission fluid.