Toyota Tundra Service Manual > Wf1am Transfer: Transfer Oil
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. CHECK TRANSFER OIL (a) Remove the transfer case plug (filler). (b) Check that the oil level is between 0 to 5.0 mm (0 to 0.196 in.) from the bottom lip of the transfer case plug (filler) hole. If the result is not as specified, add Toyota Genu ...