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03-18-2022, 02:05 PM | #21 |
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Location: Solihull, England.
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Re: Torque Tube Seal
Wow pretty brave to cut an access hole in the tube like that. Hopefully the tube will not distort too much when you weld it in.
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03-18-2022, 02:20 PM | #22 |
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Re: Torque Tube Seal
Mart, I considered that there was already a similar hole in the front of the tube for the speedo drive so I did similar.
I used JB Weld to stick the patch in place as I didn't want to apply heat to the area a risk burning the new seal. Last edited by FlatheadEric; 03-18-2022 at 02:32 PM. |
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03-18-2022, 07:04 PM | #23 |
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Re: Torque Tube Seal
Excellent solution to a difficult problem. I wonder if the mechanics in the 30s just didn’t replace the seals? I suppose they never needed to until much later on. To answer Mart, I believe the thinner dimpled race that takes the larger diameter bearing would fit the earlier style torque tube but you’d need to figure a way to make a receiving spot for the split sleeve dimple. In any event, it’s good to see such a creative solution.
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03-19-2022, 02:00 PM | #24 |
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Re: Torque Tube Seal
It is possible to purchase from a bearing supplier, a split thin wall outer race of the correct dimensions, that does not have the dimple.
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10-14-2023, 02:54 PM | #25 |
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Re: Torque Tube Seal
I replaced the race and reinstalled the torque tube on my '39. I went to install the bearing and the drive shaft is not centered perfectly in the tube and it's difficult to install the bearing. I can get the bearing started if I move the shaft by hand but is it ok to have to do that or should it be centered on its own? I'm concerned about the shat putting tension on the bearing and wearing it out or causing some other problem. I don't want to put it back together only to have a problem and have to take it apart later. I should also note that the car is on jack stands with no wheels on it.
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10-14-2023, 03:25 PM | #26 |
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Re: Torque Tube Seal
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Trying supporting the rear end and see if the steel drive shaft moves a little bit for better alignment. |
10-14-2023, 04:48 PM | #27 |
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Re: Torque Tube Seal
Thanks. I was able to get the bearing in now I have a new issue. I put the bearing in, then the thrust washer and then the speedo gear but can't see the groove that the clip sits in. I know the bearing sleeve is in properly and it feels like the bearing is seated, so I don't want to try to force the bearing in more. Do I really need that clip?
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10-14-2023, 05:06 PM | #28 |
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Re: Torque Tube Seal
If you pull forward on the shaft will it move at all? Wondering if the shaft shifted back a bit on a worn pin at the rear. Maybe the groove will show if so.
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10-14-2023, 05:55 PM | #29 |
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Re: Torque Tube Seal
I replaced the rear coupler and put new pins in. The whole rear is rebuilt.
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10-15-2023, 07:25 AM | #30 |
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Re: Torque Tube Seal
Brendan, is this a modified torque tube and shaft? If so, the lengths might be off hence no groove available. If standard matched early ford parts, then it should be ok. If stock then maybe the seal has not been pushed fully home.
Mart. |
10-15-2023, 10:06 AM | #31 |
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Re: Torque Tube Seal
Mart, thank you for your response. it's a stock tube, driveshaft and rear. In fact, it's the original parts except for the rear being rebuilt, new center bearing, sleeve, front bearing and rear coupler. Actually, this is my second go at this issue. I originally thought the bearing or sleeve wasn't seated properly so I took it all out and re-did it. Same issue but maybe a hair worse this time. In total I don't think I'm much more than an 1/8 to 3/16 of an inch off.
I put the u-joint on last night and it seats up close to the speedometer gear, so I'm really wondering how important that clip is. I hate putting it together with any issue but not sure it's a bi deal in this case. Any thoughts on that? |
10-15-2023, 11:05 AM | #32 |
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Re: Torque Tube Seal
@Brendan17....In my humble opinion, you need to find out why that ring groove on the drive shaft is not accessible for properly mounting that ring. If you are using all stock/original parts on this assemble, something is wrong and should be corrected. Again this is just my opinion and I may be a bit anal about getting things assembled correctly on my cars, but sometimes it has saved my rear (no pun intended) in the long run. It's also the old saying...."do it once, do it right".
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10-15-2023, 12:34 PM | #33 |
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Re: Torque Tube Seal
Do you have an extra thick gasket on the rear torque tube flange? Or how about one of those anti oil migration baffles that go between the torque tube and axle flange?
Is the six spline connector original or repro? I wonder if the hole centers might be a little too close together? I don't know. Just trying to think of things that might cause the issue you are describing. Seal right home? Only one thrust washer? Can't think of anything else. Mart. |
10-15-2023, 02:55 PM | #34 |
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Re: Torque Tube Seal
So I took the torque tube back off to check the holes on the new coupler look right and they do. The holes are 1 1/8" from the ends of the coupler on both the original and the new.
I did notice something though. The spline coming from the pinion is threaded. If I loosen up the nuts can I adjust the spline to make it longer? I've attached a couple of pictures. |
10-15-2023, 02:56 PM | #35 | |
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Re: Torque Tube Seal
Quote:
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10-15-2023, 04:27 PM | #36 | |
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Re: Torque Tube Seal
Quote:
brendan ..... Don't even think about moving those pinion nuts. That has to do with setting-up the clearances between ring & pinion. What you should be REALLY concerned with is MATCHING the dimension BETWEEN the two holes (pins) on that coupler. That dimension should match the coupler that was original to the drive shaft. Coop . |
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10-15-2023, 05:49 PM | #37 |
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Re: Torque Tube Seal
Ok. Try this.
Using a tape measure, measure from the edge of the pin nearest the axle to the end of the driveshaft. Use mm for this measurement. I'm talking about the edge of the pin uppermost in the photo. (see my video if unsure) Discount the bulging of the head of the pin. Now measure the length of the torque tube, from the face of the flange to the end of the bell. Again, use mm for this dimension. The difference between the two measurements should be 70mm. The torque tube is 70mm longer than the driveshaft. This difference should be the same for any axle 35-48. Check the dimension and report back. You might find this video interesting. https://youtu.be/-mOo2eZX_2U Mart. |
10-15-2023, 08:21 PM | #38 |
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Re: Torque Tube Seal
Mart, thanks for that info. I will follow-up on it. After taking everything apart today and taking measurements with the bearing sleeve in and out and putting the speedo gear housing on with the sleeve in I'm pretty sure I have an issue with the grease seal. I think it's too think. It's definitely seated.
With the sleeve in one of the bolts for the speedo gear housing on hits the sleave. The sleave is up against the seal but seems to be sticking out too far. Any recommendations on who to purchase the seals from? |
10-16-2023, 04:27 AM | #39 |
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Re: Torque Tube Seal
I see these problems coming too, when I will change the Banjo rearend in my 36 Coupe for a Columbia.
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10-16-2023, 06:48 AM | #40 |
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Re: Torque Tube Seal
Is it possible to change the rearend without removing the torq tube?
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