Broken fastner in the rear yoke - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 20 (permalink) Old 03-09-2010, 07:14 AM Thread Starter
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Broken fastner in the rear yoke

Ive got a Dana70u with a bolt broken off in one of the holes and its broken angled. Is it possible to just remove the yoke and replace it?

90' 1 Ton Dodge Diesel 4x4 Stock 12v. 5-speed Getrag. Custom 6'' Alcan Springs. 35'' Toyos.

2002 Dodge 2500 Cummins Automatic Stock.
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post #2 of 20 (permalink) Old 03-09-2010, 11:28 AM
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Yes you can remove the yoke but that nut is torqued down pretty good. I had to pull mine to replace the seal and I fabbed up my own toll to hold the yoke so I could bust it loose. Be careful though as the pinion has a crush sleeve stock so don't over torque the nut as you could change the depth and ruin the gears.

-Phil-
98 2500 4x4,12V,47RE Suncoast Billet input shaft, Suncoast H/D Extreme Trans kit, Goerend Triple disc converter, FASS 150/90, FASS Suction tube, Amsoil Ea air and pre-filter, 100 plate, 4K GSK, 370's, AFC Mods, CoolerTubz intake, straight piped 4" DP to 5" stacks, BD-SBS, Autometer Z-series Pyro/Boost/Trans/FP, Amsoil Bypass system and Amsoil fluids bumper to bumper.
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post #3 of 20 (permalink) Old 03-09-2010, 02:46 PM Thread Starter
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Wouldn't popping it loose change how its crushed and possibly ruin it anyways? Because I called the shop that had once replaced my gears and the guy said that wasn't possible that you had to pull the pinion. Which seems rediculous to me since that yoke and nut are pretty much last putting the gears back.

90' 1 Ton Dodge Diesel 4x4 Stock 12v. 5-speed Getrag. Custom 6'' Alcan Springs. 35'' Toyos.

2002 Dodge 2500 Cummins Automatic Stock.
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post #4 of 20 (permalink) Old 03-09-2010, 02:58 PM
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To do the job 100% correct the crush sleeve on the pinion should be changed.
If you go that route you may want to look at putting in a solid spacer in place of the crush sleeve. Doing that would prevent having to replace the crush sleeve in the future if you need to change a yoke or seal. But like Phil said it can be done without replacing the crush sleeve if your careful and pay attention to the amount of torque needed to bust the nut loose. Then reinstall with the same amount of torque and you should be fine.
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post #5 of 20 (permalink) Old 03-09-2010, 03:33 PM Thread Starter
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If you take that apart and pull the crush sleeve out and place a solid spacer in, where could I find which spacer to use. And break away torque could be found with a left only torque wrench and two needles one that stops on the breaking torque usually red right

90' 1 Ton Dodge Diesel 4x4 Stock 12v. 5-speed Getrag. Custom 6'' Alcan Springs. 35'' Toyos.

2002 Dodge 2500 Cummins Automatic Stock.
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post #6 of 20 (permalink) Old 03-09-2010, 03:40 PM
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I had Randy's do the one for the rear in my Challenger.

But Dan from Midwest trans is a S/V here I would give him a call first.
He is a great guy and will answer all your questions.


http://www.midwesttrans.com/
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post #7 of 20 (permalink) Old 03-09-2010, 03:50 PM Thread Starter
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Yeah I had called the guy who replaced my gears when the bearings went out months after boggin the truck, he said that you've got to get into the gears and all that, that just pulling the yoke wouldn't work. But thanks ill try giving them a call. This bolts a huge hold up on my truck just sitting.

90' 1 Ton Dodge Diesel 4x4 Stock 12v. 5-speed Getrag. Custom 6'' Alcan Springs. 35'' Toyos.

2002 Dodge 2500 Cummins Automatic Stock.
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post #8 of 20 (permalink) Old 03-09-2010, 06:10 PM Thread Starter
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Would either of you or anyone know the torque required in a manual for that pinion yoke nut to crush that sleeve.

90' 1 Ton Dodge Diesel 4x4 Stock 12v. 5-speed Getrag. Custom 6'' Alcan Springs. 35'' Toyos.

2002 Dodge 2500 Cummins Automatic Stock.
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post #9 of 20 (permalink) Old 03-09-2010, 06:12 PM
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I want to say something like 180 ft-pds......I know it's a range.....like 160-180. I can look when i get home.

-Phil-
98 2500 4x4,12V,47RE Suncoast Billet input shaft, Suncoast H/D Extreme Trans kit, Goerend Triple disc converter, FASS 150/90, FASS Suction tube, Amsoil Ea air and pre-filter, 100 plate, 4K GSK, 370's, AFC Mods, CoolerTubz intake, straight piped 4" DP to 5" stacks, BD-SBS, Autometer Z-series Pyro/Boost/Trans/FP, Amsoil Bypass system and Amsoil fluids bumper to bumper.
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post #10 of 20 (permalink) Old 03-09-2010, 06:18 PM
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Can you not remove the broken bolt or is the Yoke it's self damaged? I do not profess to being a gear man, but how do you put in a solid sleeve. You would have to remove the crush sleeve, measure it, then make a sleeve that length, then test, and inspect.

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