Running Diff Breathers
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Joined: Feb 2008
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From: Lubbock, Texas
Running Diff Breathers
I have a 1994 F350 Crew 4x4 w/7.3 powerstroke and was going to run my diff breathers up higher into the body. I did it on my jeep and it worked really well, is there any reason it won't work on my truck?
It seems pretty straight forward but I wanted to ask if yall have any tips? The more tips I have hopefully the smoother it will go.
I tried searching the older posts but couldnt really find anything that would help.
It seems pretty straight forward but I wanted to ask if yall have any tips? The more tips I have hopefully the smoother it will go.
I tried searching the older posts but couldnt really find anything that would help.
Last edited by maverick1701; Feb 16, 2008 at 12:28 AM.
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I'd just go with a longer version of the hose you already have on there. Take it off and match it up at any hardware/auto parts store and have the new one cut to the length you want. All the breather is for is to keep air pressure equalized between the inside and outside of the diff as it heats up.
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Joined: Feb 2008
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From: Lubbock, Texas
thanks, I am going to be making the trip tomorrow. I would hate to have my warm diff hit the nice cool water, expand, and suck in everything 
It would make for a headache. Thanks again guys.
It would make for a headache. Thanks again guys.
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i ran the hoses for my tranny, front diff, and transfer case to the little loop in the middle of the top of the firewall for the air conditioning still not sure on where to put the hose for the rear diff though...
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Most people on the toyota forums run the rear into their filler neck area next to the gas cap. They usually run a breather cap on it there too. Here's the link,
http://yotatech.com/f129/rear-differ...her-mod-75747/
http://yotatech.com/f129/rear-differ...her-mod-75747/
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unfortunatly as you can see in my avatar picture i have that part of my truck underwater sometimes i was thinking about running it into a t-fitting into the transfer case breather that goes to the top of the firewall, would that be too long?
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Yes, it seems you do get deep. It does help to see other ideas though. As far as the lines being too long, it doesn't matter. They are just there to equalize pressure. The pressure will be equal in the hose no matter how long it is. The t-fitting idea should serve you well.
Are you running any caps or filters on the lines?
Are you running any caps or filters on the lines?