11-15-2007, 10:52 PM
Changed the fluid in the transfer case, pictured below:
![[Image: Frank113-40762.jpg]](http://i41.photobucket.com/albums/e274/93anthracite/00%20F250/Frank113-40762.jpg)
This is pretty easy. Using a 10mm hex socket, remove the top plug. Then, use the same socket and remove the bottom plug. Allow to completely drain.
Once it's done, apply a thin layer of thread sealant about 3/4 of the way around 1 thread of the plug, put it into the drain plug. The sealant will spread across multiple threads and will maintain a nice tight seal with no leakage. Torque to 20 ft/lbs.
The next part is the hardest, believe it or not. Basically, you fill it until it pours out of the fill plug, just like any differential. The only problem is there just isn't much room to work. I used 2 quarts of Mobil 1 Synthetic ATF. I found the best way was to run a decent sized peice of clear plastic hose into the fill plug, and push a funnel into the tube. Fill the funnel a little and let it drain. Fill, drain, fill drain, repeat until you're done or it comes out of the hole. If you're wise, you might even park it on a slight decline to get a little extra fluid in there. I spilled a shitload while mastering my pouring technique and had to go get an extra quart (only really needed about 1/4).
Once it's full, apply thread sealant to the plug, tighten to 20 ft/lbs, and wipe of the excess that is drippling down. Done.
![[Image: Frank113-40762.jpg]](http://i41.photobucket.com/albums/e274/93anthracite/00%20F250/Frank113-40762.jpg)
This is pretty easy. Using a 10mm hex socket, remove the top plug. Then, use the same socket and remove the bottom plug. Allow to completely drain.
Once it's done, apply a thin layer of thread sealant about 3/4 of the way around 1 thread of the plug, put it into the drain plug. The sealant will spread across multiple threads and will maintain a nice tight seal with no leakage. Torque to 20 ft/lbs.
The next part is the hardest, believe it or not. Basically, you fill it until it pours out of the fill plug, just like any differential. The only problem is there just isn't much room to work. I used 2 quarts of Mobil 1 Synthetic ATF. I found the best way was to run a decent sized peice of clear plastic hose into the fill plug, and push a funnel into the tube. Fill the funnel a little and let it drain. Fill, drain, fill drain, repeat until you're done or it comes out of the hole. If you're wise, you might even park it on a slight decline to get a little extra fluid in there. I spilled a shitload while mastering my pouring technique and had to go get an extra quart (only really needed about 1/4).
Once it's full, apply thread sealant to the plug, tighten to 20 ft/lbs, and wipe of the excess that is drippling down. Done.
