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Has anyone on here ever did a gasket job on the transfer case on a m939 series truck. Mine is leaking and eventually i want to make it not leak. How hard is it to do a job like that. Do you have to take the whole thing out or can you just take it apart on the truck? If anyone has done this...

As far as i know they made very few air lockers and they are hard to find. I wish i had some on all 3 axles that would make me happy. I wish i knew of a company that made some.

I am pretty sure the truck came from that auction since i didnt actually buy it from the government. I bought from a guy who did and he just had the truck for a month or so before i got it. I didnt air down the tires because i didnt have much extra time and it was running at 50 psi and it still...

Ok so here are the pictures of my adventure. Enjoy!

Ok so i went on a real adventure and it actually did better than i expected. Does alot better offroad than any of my 4x4s. Took some pics but i will probably post tomarrow. ALOT of fun to drive handles just like a sports car. Ha. I saw a guy out there riding a dirt bike and he just had to stop...

Luckily the truck came with a air hose that connected to a glad hand. I am planning on running at 35-40 psi to start out and i will go from there. Right now I am going to go warm it up and get it all ready! I hope everything goes good I havent had it running for more than 30 minutes at a time. I...

Yeah i have heard about the t case getting split. I havent done it and dont plan too. Maybe tonight I will take the truck out and do a little off roading. Dont worry I live in the sticks and i wont be near any houses or people. We have alot of sand here in new mexico and want to see how the...

Ok I just didnt want to drive it if I was going to lock up the brakes. Before I drive it I will make sure the brakes are 100% but im sure i will get the hang of it. Oh I called our local truck driving school today and i plan to enrole in january. I cant wait to drive it.

Ok so i went to a big rig shop today and got a number 12 diaphragm but unfortunately they didnt have the 16. So i went home and put the diaphragm in which only took about ten minutes, which was faster than i expected. So i put everything back together and aired it up. No leaks coming from the...

Cool fact. Is it true in the marine trucks with axle lockers, you have to coast around corners when on pavement in order to have some give in the locker?

Wait does that mean my truck WAS an m925 but no longer one? The plates say m923.

Thanks artisan i have been reading those manuals for the past few hours and have now figured out how to take the pods off. It even showed me how to rebuild the service chambers but not the spring brake chambers. I will probably end up rebuilding the service chamber and the taking the spring...

Success i found the leaks. Yeah unfortunatly more than one but I finally found them after crawling under the truck for an hour. Ok so I took the white line off the chambers like you guys told me to do and felt if there was any air coming out of the chamber. I started at the back of the truck and...

Thanks those files are exactly what i need.

I tried downloading the p2p file but on both my computers were unable to read the file. Anybody have a different format of the file that may work with my computers? Also when the truck is building pressure and the compressor is turning isnt there a pressure valve that releases pressure when the...

Doesnt the larger one have spring brakes as well as a service chamber as well. In other words dosnt the larger one have two chambers, 1 for service and one for spring brake which would be the emergency brake if you lost all pressure in the system. So how do I tell which one it is? If the larger...

Ok so as you guys suggested, i hooked up a quick disconnect air coupling to the truck. I then air up the beast (after blocking the wheels) and had a buddy of mine push the brakes while i listened around and crawled around the truck. I found 1 very obvious leak in a airline on the front left tire...

I will try that when iam diagnosing the place where it is leaking, i didnt think of that. Anyone know where to get a whole new chamber for the 5 ton rockwells? If the diaphragm is bad i dont want to try to rebuild it, that would be suicide. Or should i just take the chamber off and take it to a...

I am rigourously studying all the paper work for the airbrakes and i am getting a much better understanding of the operation. I am almost certain it is a diaphragm I just need to get under it and figure out which one. Also "Artisan" i appreciate the input you have given, so please keep posting.

Yeah I accidentally hit the six instead of the nine but I am actually elligible for a cdl.