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05-12-2022, 07:06 PM | #1 |
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Join Date: Mar 2022
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driveshaft yoke
Hello, I am working on my 56 Mercury Montclair. I replaced the transmission tail seal due to leaking. After driving some miles it is leaking again. I notice that it is not leaking from between the housing and seal, it is leaking from between the yoke and the rubber of the seal. I removed the driveshaft again and inspected the yoke, it does have a wear ring where the seal rides. A couple guys had told me to replace the yoke. The problem I am having is finding a yoke specifically listed for a 56 Mercury.
Has anyone had to replace their yoke on this model car? If so, do you have a company name/part number? If anyone has any suggestions, I would surely like to hear. Thank you. |
05-12-2022, 08:03 PM | #2 |
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Location: Killeen, TX
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Re: driveshaft yoke
Two suggestions. The seal does not have to be in the same place the old one was. You can either leave 1/8 inch or so outside the transmission case or possibly drive it about 1/8 inch farther in. The other suggestion is to install a speedi sleeve over the yoke. You need a good set of calipers. https://www.skf.com/us/products/indu...-speedi-sleeve
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05-12-2022, 10:24 PM | #3 |
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Re: driveshaft yoke
If there is a bushing inside the tail shaft casting, to locate the yoke, a speedi-sleeve may not pass thru the bushing
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05-13-2022, 12:33 AM | #4 |
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Re: driveshaft yoke
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***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
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05-13-2022, 02:41 AM | #5 |
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Re: driveshaft yoke
ck with Van Pelt sales, they may have one.
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05-13-2022, 05:44 AM | #6 |
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Re: driveshaft yoke
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05-13-2022, 05:51 AM | #7 |
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Re: driveshaft yoke
I am sorry that I forgot to say, I have the Merc-O-Matic transmission. It is a 16 tooth spline. There is no speedi-sleeve on the yoke now, and I don't see any sign of one having been on there. I measured the outside diameter with my caliper to be 1.682. The 1 5/8 sleeve lists the diameter range 1.622 - 1.628. I will try to clean/polish it some more to see if the measurement changes.
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05-13-2022, 06:26 AM | #8 |
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Re: driveshaft yoke
That just necessitates driving the sleeve closer the the u-joint. It might be necessary to remove some of the sleeve material prior to installation. That could be a plus because sometimes there is considerable friction. Covering the wear groove is the objective.
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05-13-2022, 07:17 AM | #9 | |
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Re: driveshaft yoke
Quote:
__________________
***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
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05-13-2022, 07:47 PM | #10 |
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Re: driveshaft yoke
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05-14-2022, 06:06 AM | #11 |
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Re: driveshaft yoke
It shows how far I am from current tech -
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05-14-2022, 06:40 AM | #12 |
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Join Date: Sep 2014
Posts: 160
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Re: driveshaft yoke
That 16 tooth spline fits late 40's trucks through the 50's pickups, if you can find one with all the same measurments at yours, new ones can be had.
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05-14-2022, 09:19 AM | #13 | |
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Re: driveshaft yoke
... excuse me ... I am a little cornfused here ... I gave both the FORD PN (to SEARCH for NOS) and the DANA-SPICER PN (current) and all are still asking where and why. Is it my browser carousing, is it my breath or am I on the IGNORE LIST ? Quote:
__________________
***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
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05-15-2022, 05:51 PM | #14 |
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Join Date: Mar 2022
Posts: 11
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Re: driveshaft yoke
Thank you. I will be checking on the part numbers with the companies. I can't seem to find a speedi sleeve for 1 11/16 inch shaft and I don't know if turning it down to 1 5/8 would be a good idea. I will update with what I find out.
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05-15-2022, 08:02 PM | #15 |
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Re: driveshaft yoke
No, don't even think about turning it, that would totally defeat the purpose. I have a '97 Dodge/Cummins work truck. It has speedi-sleeves in the front spindles, the rear axles and the engine cranshaft snout. All because the seals have worn a groove into the rotating mass. Speedi-sleeves have a range of what they fit. 1.682 needs to fall within that range. Their website is a mess right now. For some reason I can't get the correct part number based on inches.
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'54 Skyliner. Restoration in progress. Last edited by GLAmes; 05-18-2022 at 06:59 AM. |
05-17-2022, 08:08 PM | #16 |
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Re: driveshaft yoke
well I ordered a speedi sleeve today! Hopefully it will be here in about 5 days. I will report on how it goes for installing and if it cures the ATF leak. Thanks for all the info, I sure appreciate it. It sure makes working on this car a lot more fun when you have others for help and tips and to share in the excitement of fixing things!
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05-18-2022, 07:10 AM | #17 |
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Re: driveshaft yoke
While you are waiting for it you'll need to source an installation tool. It can be PVC or a metal pipe/tube that will slip over the yoke shaft, the closer the better. You will also need a lubricant to coat the shaft, I use bearing grease.
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'54 Skyliner. Restoration in progress. |
05-28-2022, 10:29 PM | #18 |
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Re: driveshaft yoke
Update: I finally got my speedi sleeve installed. I had a delay because after I received the sleeve that I ordered, I realized that it was not wide enough to have both lips of the seal ride on the sleeve, so I ordered a second one. I measured and installed them so that they are just a hair apart and now each lip of the seal is riding on a sleeve.
Due to rainy weather, I was not able to drive the car today. I am looking forward to seeing if this solves the ATF leak! |
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