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H transmission seal questions

M

Mike CA

Well-known Member
I was going to tackle the electrical system first, but now that I think about it, the flowing leak from the transmission might be a better place to start. So, I'm going to research how much it's going to cost me.
I'm leaking oil... in fact, I think I've leaked it all... from the two transmission areas shown below. (Not my picture, I still have my belly pump installed) Looking at Case IH, I'm assuming it's the gaskets that I need to replace? Part numbers 47873D and 47896D?

IMG_5327.jpg



If this is correct, what is the cheapest source? I don't have a local Case IH dealer that I'm aware of, so I'll have to purchase online.

Thanks for any help!
 
You need the oil seal more than the gasket. Transmission seal #:357967R91
Lift-All seal #: 356503R91

Both transmission drive shaft & Lift-All drive seals are located behind the belly pump.
Put the transmission in reverse & lock the brakes.
Use a bar or pipe wrench to unscrew the Lift-All drive coupler, lefty-loosey.
Remove the 3 cap screws & the housing comes off with seal attached. Replace the seal & gasket, replace the 3 cap screws, screw the drive coupler in, righty-tighty, & you are done. Some oil will leak thru the bearing while you are replacing the seal.
Transmission drive shaft seal is similar but you must remove the drive shaft coupler to get at the seal. Tip: when the nuts are loosened on the tapered bolts, hold the coupler drive with a pipe wrench & turn the tapered bolt heads to loosen. Don’t try to drive the bolts out or damage will happen.
 
You dont need an I-H dealer any auto store can get seals all you need is the dimensions or the # on the old seal I-H doesent make them anyway. You can get a roll of gasket material from any auto parts store and make one easy. A roll will only cost a couple bucks.
 
So I've got to pull them before I can see if a local parts store can get them? :?

I planned on doing it at a friends place. Looks like those plans are going to have to change.
 
Hi Mike, The best place to get bearings and seals are from an industrial bearing supply company. They are about half the cost of an auto parts store. Case IH will have the bearings, but are at least 3 times higher. Usually if those seals are leaking, there is a worn bearing behind it. Good thing is those are fairly easy to get at without tearing into the whole rear end. All is done from the belly pump hole. The seals and bearings are held in by those caps with 3 bolts. If you can't find a bearing house nearby, then let me know and I will give you the info for the one that I delt with locally, Good guys and know thier stuff, and will ship! PS I may be headed out to CA soon! Found another old car out that way.
 
Wayne helped me out with advise when I did mine last winter. The only thing I would add, is to inspect the yoke for excessive wear. I had to clean mine up a little to make it stop leaking finally.
 
(quoted from post at 19:39:33 08/16/09) By the color of the oil leaking out, you also are in bad need of changing the oil in the tranny. It appears to have a lot of water in it.
Click to expand...
Not my picture, I still have my belly pump installed)
 
As Dave pointed out... that isn't my photo. Just one for visual reference.

My oil came out pitch black. Then it stopped coming out, which is why I haven't driven it lately.

Thanks Bob. I'll see what I can find in the area. If you make it out this way, give me a hollar.
 
Also a warning on the washers on the drive shaft coupler, they may be brittle and break on you. Kinda pricey for what they are.

And be sure to get it back on the correct way ; )


Randy
 
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