| mzahorik | -- 12-07-2022 @ 8:07 AM |
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I'm working on my 1937 ford rear axle. I noticed that the inner seals have worn a groove into each axle shaft. One side is worse than the other. I was wondering if anyone has used a repair sleeve on this? What size and where to get them? Thanks, Mike
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| carcrazy | -- 12-07-2022 @ 11:14 PM |
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Van Pelt has the sleeves you need. They are listed as part number B-4012RS, Axle Repair Sleeve. Van Pelt's website is accessible by clicking on the links to the left of this page. He is listed under Friends.
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| mzahorik | -- 12-08-2022 @ 6:35 AM |
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Thanks for the reply, but that was not the area I was talking about. There is a small inner seal, inside the side bell of the axle. This seal bears directly on the axle shaft. One of my axle shafts has a small groove worn in it from the old hard seal. This groove is about 4 inches from the taper end of the axle shaft. Mike
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| carcrazy | -- 12-08-2022 @ 8:47 AM |
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Sorry I misunderstood what sleeve you were looking for. You might be able to find the right sleeve at a full service auto parts store that has a machine shop. In the past I have been able to find sleeves to mount on crankshaft front pulleys that were previously worn by contact with oil seals. My recommendation would be to have the machine shop install the sleeve for you.
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| mzahorik | -- 12-08-2022 @ 9:44 AM |
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Thanks for the reply. I have been doing a little more research. The axle shaft at the point of the seal is about 1 1/32" in diameter. So far I can only find sleeves of the diameter of 1 and 1 1/8 inch. I'm beginning to doubt that there is a sleeve of this dimension. So, I've been thinking of alternatives. I think I may try some heat shrink tubing. Just enough to cover the damage. It should shrink into the groove and provide a better surface for the seal to ride against. If the shrink tube is softer than the seal, the seal may wear into the tube, but that maybe OK and still seal. If the shrink tube is harder than the seal (more likely) the seal will work as it should. Once I get to the point of closing up the axle case I want to shrink some tube over the axle shaft and see how it looks. It has to be better than nothing at all. Any thoughts on this? Thanks, Mike
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| carcrazy | -- 12-08-2022 @ 1:12 PM |
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Maybe you can turn the O.D. of the shaft down to one inch diameter so the smaller sleeve will fit. Taking 1/32 " (approx. .o30") of an inch off of the diameter shouldn't reduce strength of the shaft significantly.
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| fordv8j | -- 12-08-2022 @ 2:07 PM |
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would it be possible to move the seal in or out the width of the seal, to where the axel isn;t worn, just a thought
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| 37RAGTOPMAN | -- 12-08-2022 @ 3:44 PM |
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is the gears on the end of axle OK ? you would think they would be also worn if the axles are worn from the small seals I assume have taken the the rear end out, does the rest of it look ok, I would think a machine shop could restore the axles, by welding the groves, and maching them back to original last resort would be to replace the axles, or replace with good used maybe time to restore the rear axle assy, maybe going to 354 gears, I think SOUTHSIDE OBSOLETE in MINN, might have new axles, its worth a try, my 2 cents 37Ragtopman, Maine
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| Mike_Van | -- 12-08-2022 @ 7:19 PM |
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Have you looked into SKF speedi sleeves? I used these on my axle and they seemed to work well. I was able to get some that fit just right. I don't recall if I had to touch up the axle a little though.
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| 51woodie | -- 12-09-2022 @ 8:02 AM |
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I have used speedi-sleeves in many applications and they are great. You would need to accurately measure the diameter of the shaft in the sealing area, to determine if there is a sleeve the correct size. I don't know if the axle is machined a consistent diameter from the end of the tapered section to the sealing area, or is the seal area slightly larger in diameter. If a correct size sleeve is available, the next issue is the need for a length of tubing or pipe, with the correct inside diameter to drive the sleeve to the sealing location. https://www.skf.com/ca/en/products/industrial-seals/power-transmission-seals/wear-sleeves/skf-speedi-sleeve
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| mzahorik | -- 12-09-2022 @ 9:40 AM |
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I am redoing the axle. New bearings, ring & pinion etal. One axle looks OK, but the other has a noticeable groove in it where the seal worn into it. I have used repair sleeves on crankshafts where the dampener goes. Here again the seal wore a groove in the crank. It is amazing that soft rubber can wear into steel, but I've seen it many times. The gears on the ends of the shaft look good as do the diff gears. When I took the brake drums off I saw that the brake shoes were oil soaked, probably from bad seals. I'm not surprised that the seals are not changed much, in that the axle has to be disassembled to get them out and replaced. I looked at a number of sleeve places, but didn't see the size I needed, at least thought I needed. I sure look closer. It would be nice to use a sleeve. I'm in the middle of cleaning and assessing parts. Besides this old man doesn't like the cold, so progress is slow. Thanks, Mike
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| mzahorik | -- 12-13-2022 @ 6:44 AM |
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Well..... I've had a chance to dis assemble the differential and got a better look at the axle shafts. I made some measurements and this is what I found. Axle 1 diameter = 1.136" Seal groove dia = 1.120" Axle 2 diameter = 1.132" Seal groove dia = 1.127" I also purchased some new axle seals. A little experimenting with seal, showed that a socket of diameter 1.075" was still snug in the seal. So I think that I'll just set up each shaft in the lathe and just cut the damaged area down until the groove is gone and make sure the area is polished so not to damage the new seal. Any thoughts on this? Thanks, Mike
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| carcrazy | -- 12-13-2022 @ 7:16 AM |
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Turning down the shaft just enough to get a smooth, straight surface and micro polishing it may be the best and least expensive solution.
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| woodiewagon46 | -- 12-14-2022 @ 9:52 AM |
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As others have suggested I would also recommend SKF Speed Sleeves. They work great and eliminate the need for any machining. It's worth a look on the website. We had a gearbox that had a groove worn in the shaft and to remove the box was an all day job. Speed Seal's saved the day. The only thing we did a little different was to fill the groove with epoxy first, sanded it smooth and then installed the Speed Seal.
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