Ever seen one of these broken

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Cambin
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Ever seen one of these broken

Post by Cambin » Fri Feb 15, 2019 10:30 pm

[image][image][/image][/image]has anyone come across this type of breakage and if so what are the causes?
The pin was solid so it wasn’t a loose pin
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Don Conklin
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Re: Ever seen one of these broken

Post by Don Conklin » Fri Feb 15, 2019 10:55 pm

Torque tube not modified to accomodate a ball bearing 4th main

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Mark Gregush
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Re: Ever seen one of these broken

Post by Mark Gregush » Fri Feb 15, 2019 10:58 pm

No but I have had one with the T-tube broke inside the casting at the other end. The radius rods kept it in place locked at the rivets where it had sheared.
I know the voices aren't real but damn they have some good ideas! :shock:

1921 Huckster
1925 Cut down pickup

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Cambin
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Re: Ever seen one of these broken

Post by Cambin » Sat Feb 16, 2019 1:04 am

No mods all original
No pin gouge
And radius rods look good

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kmatt
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Re: Ever seen one of these broken

Post by kmatt » Sat Feb 16, 2019 1:27 am

If the rear spring center bolt head broke or slipped out of the rear cross member and the rear axle, spring and all, shifted slightly it could have stressed the torque tube over time. Because the torque tube ball is held fast by the motor even a slight and unnoticed misalignment could stress the torque tube in the area that broke.

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CudaMan
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Re: Ever seen one of these broken

Post by CudaMan » Sat Feb 16, 2019 8:22 am

Too many burnouts! :o
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Oldav8tor
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Re: Ever seen one of these broken

Post by Oldav8tor » Sat Feb 16, 2019 10:41 am

I didn't see any grease cups.....
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Howard Tomlinson
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Re: Ever seen one of these broken

Post by Howard Tomlinson » Sat Feb 16, 2019 11:26 am

I haven't seen one broken, but I did take one housing apart where the universal pin evidently had backed out and scored the inside of the housing. Being that that area is already pretty thin a similar break could have happened.


Altair
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Re: Ever seen one of these broken

Post by Altair » Sun Feb 17, 2019 12:03 am

Just throwing out a thought, the break in that location would be developed by engine torque, the bolts that sandwich the rear part of the torque tube to the diff housing are 3/8" + 1/32 or 13/32" they are referred to as special bolts, if they were ever replaced with incorrect 3/8" bolts this could allow unwanted movement, just a thought.

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Jem
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Re: Ever seen one of these broken

Post by Jem » Sun Feb 17, 2019 2:31 am

The nose of the torque tube is free to move around in the ball cap to accommodate suspension movement. If that cap is dry or seized for some other reason, something has got to give.


Jerry VanOoteghem
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Re: Ever seen one of these broken

Post by Jerry VanOoteghem » Sun Feb 17, 2019 3:26 pm

Were you using a shim to take up for wear in the ball/retaining ring? Too much shim can lock up the ball joint and may cause this.

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