THey can be sealed depending on the location and relativity to moving parts. They are best to be sealed from the inside which does require removing the internal parts and being thoroughly cleaned.
If it is an automatic, it will not have a dipstick. It is a sealed transfer case.
How to remove a transfer case in a 97 f-250
about $1000
A 1994 does not have a control module on the transfer case. But it does have a 4x4 Actuator on the front differential.
NO. If you keep finding yourself ADDING transmission fluid often and you have no leaks but the transfer case is over full then you need to remove the transfer case and replace the seal in the transfer case where it bolts to the rear of the transmission.
drop the pan and replace it
Replace the seals.
the viscous is located inside the transfer case... you need to pull the transfer case out and split it open. While you are there you might as well throw a fresh chain and bearings into the transfer case as well.
where is it at
replace the seal
Need to specify which headlights you have... you either have the dual composite headlights, or you have the sealed beam headlight. In the case of the former, you rotate the harness 1/4 turn counterclockwise and it pulls out. You just replace the bulb. In the case of a sealed beam headlight, you have to replace the entire assembly.
Its is located on the transfer case. It pulls right off the transfer case and is very simple and easy to change...only problem is finding the gear to replace it