Pinion Yoke Issues

[daleearnhardt01]

Long story short, I broke one of the bolts off in the yoke when taking the driveshaft out to replace the tcase seal. Anyways, drilled the remains out and cleaned the threads up with a tap and grabbed a bolt out of my old 10 bolt. Threaded the bolt in and got to the point where it was tight but anymore tightening and the threads were stripped. I locktited the bolt and crossed my fingers but it is getting loose.

Of course since the 10 bolt yoke will swap over to the 14SF I could just do that but I am trying to see what other options I have before I go that route.

Longer bolt?
Even longer bolt with nut? I dont think this one will work but hey maybe its somehow possible?

 

[Hogback Fabrication]

You could try a longer bolt but I doubt it will work.

I also doubt that you can drill out the hole and use a nut on the other side. The flat part on the yoke (where the nut would be) is generally too small for the nut (i.e. the nut wouldn't be sitting flat on the yoke). If there is enough space on the backside of the yoke for a nut, drill it out and call it good.

If you have to replace the yoke search on here to see how it should be done.

 

[daleearnhardt01]

You could try a longer bolt but I doubt it will work.

I also doubt that you can drill out the hole and use a nut on the other side. The flat part on the yoke (where the nut would be) is generally to small for the nut (i.e. the nut wouldn't be sitting flat on the yoke). If there is enough space on the backside of the yoke for a nut, drill it out and call it good.

If you have to replace the yoke search on here to see how it should be done.

Yeah deep down I believe swapping yokes is the only legit way to fix this. Oh well no big deal.

 

[wheels87k5]

"Heli coil", if they make them that small.
I used a Heli coil on a harmonic balancer where the main pulley bolts to it. Works great and not hard to use.

 

[daleearnhardt01]

"Heli coil", if they make them that small.
I used a Heli coil on a harmonic balancer where the main pulley bolts to it. Works great and not hard to use.

Thanks for that idea, I had totally forgotten about using those. They do have one in the right size so its worth a try.

 

[cybrfire]

I've made a nut work in a pinch.

 

[jac6695]

Chris, I would think you could drill it out for a bolt, but you would have to grind off a flat part on the backside for the nut to sit correctly. Changing the yoke is best, though. What else is the old 10 bolt good for? Might as well rob it for the yoke.

 

[daleearnhardt01]

Chris, I would think you could drill it out for a bolt, but you would have to grind off a flat part on the backside for the nut to sit correctly. Changing the yoke is best, though. What else is the old 10 bolt good for? Might as well rob it for the yoke.

Yep that is the only way a nut would work, another option that may work is a longer bolt because the threads go all the way through now since we ran the tap through it. We will see, I know replacing the yoke is the best way but that just seems like a lot of work

 

[daleearnhardt01]

Any objections to drilling the hole out and tapping for a 3/8 bolt? Basically is there enough meat there to allow this?

 

[Hogback Fabrication]

Any objections to drilling the hole out and tapping for a 3/8 bolt? Basically is there enough meat there to allow this?

Maybe, but the strap will be getting pretty thin too.

I would helicoil it.