"80-90" weight gear oil. Brand not important.
The transfer case on a 2004 Ram uses ATF+4.
Right at 2 quarts
The fill plug is on the left side of the transfer case. You remove the fill plug, and the fluid should come to the bottom of the fill plug.
Mopar ATF+4 trans fluid
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.
According to the 2004 Ford Ranger Owner Guide : ( 1.25 U.S. quarts of Motorcraft MERCON automatic transmission fluid is used in the transfer case ) Motorcraft MERCON automatic transmission fluid is also used in the 5 speed manual transmission , approximately 2.8 U.S. quarts
According to the 2004 Ford F-150 owners manual : Motorcraft MERCON automatic transmission fluid is used in the transfer case ( 1.9 litres / 2.0 U.S. quarts )
Depends if it has the auto 4wd feature
the 4wd transfer case for an 05 is located near the center of the truck. Usually at the rear of the transmission. follow the drive lines toward the center of the truck.