Replacing seals on B

freefour · Nov 3, 2011

Anyone know of a good guide (pictures would be best) on replacing the final drive and trans seals on a B? Mine are leaking everywhere. I am a novice mechanic and learn best by example rather than reading by a tech manual. Do I need a cherry picker or some sort of stands? I have a 3 ton floor jack and a couple of bottle jacks, that's about it.

Once the tire is off and axle unbolted does it just come straight off? Would I be able to back it off with my floor jack? Does Case-IH have the seals?

I'm sure this question has come up before but after an hour of searching I thought it would be best to ask again. Thanks, this site is so helpful!

Mark W. · Nov 3, 2011

The final drives are very heavy and need to come straight out. I have done it but expect a lot of weight. Cherry picker works best.Have real good wood cribbing or blocking under. Stands can slip easily.

Dave H (MI) · Nov 3, 2011

I'm not a mechanic either, but I get better each time I work on something and a huge percentage of what I know I learned or fine tuned right here on this forum and, because I have one, on the "N" board. Other than an occasional video, like the SMTA torque amplifier repair one TSC had a few years back, I don't know of a lot of resources other than the manuals. So what I do when I get into a new area is read the manual and research old and current threads here. Then I do what I know to do and when I get to something that puzzles me I ask. Generally you get an answer within the hour. This forum is a darn good one. Take all the answers and come up with a solution and keep moving forward. Keep a camera handy in case the guys need a visual. I spent a week on my first axle disassembly on the 2N but that was mostly trying to get my mind around "preload" and "shims". I got it done and could do it again without trouble.

Parts should all be available from the dealer. Use your jack and stands and as much cribbing as you need to stabilize the tractor.

Parts manuals are great to use along with the service manual.

teddy52food · Nov 3, 2011

Seals are available from Car Quest. Give them the # of the old seal. Nothing complicated. I did one here without any manuels. I striped it down to the bare trans. casting & washed all the gunk out, then reassembled.

gene bender · Nov 3, 2011

Ive replace many of them and a cherry picker is handy for the final drives. The left side you will need to remove the brake drum as the diff shaft slides out the hole in the top of the final drive where the little plate is with the four bolts. Drives side the drum is at the far end and also needs to be removed to let the diff shaft go out thru the hole. Seals in the tranny are easy also just get the shims lined up so you can bolt the housing holding the seal back after replacing the seal.

Replacing seals on B

freefour

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Mark W.

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Dave H (MI)

Well-known Member

teddy52food

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gene bender

Well-known Member

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