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I had a borgeson power steering set up installed in my 65 mustang 2 years ago. Yesterday when backing the car into the shop the entire steering shaft with the steering wheel attached came out and I lost the ability to steer obviously.Thankfully I was driving quite slow and at the shop. Eventually pushed the car into the shop and started poking around to see what happen. The set screw(I guess thats what its called) that secures the splined steering shaft into the rag joint had come loose as well the "safety" nut that secures the set screw. Both loosened and allowed the steering shaft to release.

Anyone else had this issue and what is the remedy to fix this so it does not happen again. VERY concerning.

I have attached a picture of the set screw and the nut, hopefully it can be seen in the picture.
 

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Just using a set-screw with a jam nut on a even a D-shape steering shaft is a horrible idea, as you found out. There's a reason every OEM splined shaft has the clamp bolt go through a notch in the shaft for positive/secondary retention. You can improve D-shaft retention by drilling a recess to receive the set-screw so it doesn't slip, but that still doesn't give you redundancy if the screw loosens.

Hopefully it has 2 set-screws /
 

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Holy COW! When I was replacing the steering unit for my F150 I noticed that the rag joint was just about to fall to pieces. I was really aggravated having to replace the steering box but this was a silver lining because if the rag joint fails is notta good thing.
 

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True, but factory rag joints have those backup "pins", so theoretically you won't lose steering.
 

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Of course the factory "rag joint" clamps feature a groove in the shafts, even if the bolt loosens the joint cannot slide off the shaft unless the bolt actually falls off the car. Very safe.
 
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Ironically I was on the way to my alignment shop when my steering felt looser than normal. In checking I had one bolt come out of the factory rag joint. The other bolt held as well as the two pins. Of course not as bad as the OP but still disconcerting.

As an aside, on a different car I had driven all over town, stopping at several red lights and lastly pulled-up to a store's front doors. From there on my way home I lost my brakes with a single master cylinder and coasted to a stop out on a country road. Never drove it again until I replaced it with a dual master cylinder. Just a thought.

I think these count as one of my nine lives, not two. But then there was this other situation..........
 

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The factory rag joint has the backup pins because it is a critical safety item that has to have redundancy. As the Flaming river video explicitly states, the aftermarket shaft has to be dimpled for the screws and the screws+jam nuts need to have red thread locker. I'd be inclined to safety wire something like this.
 
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A groove for the lock bolt, plus safety wire to prevent the bolt unscrewing is the only real safe answer.
 

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A set screw for the steering column, and a single pot master cylinder..."living on the edge". BTW, is that thread sealing tape on the brake fitting...just say'n.
 

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1966 mustang coupe
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I had a borgeson power steering set up installed in my 65 mustang 2 years ago. Yesterday when backing the car into the shop the entire steering shaft with the steering wheel attached came out and I lost the ability to steer obviously.Thankfully I was driving quite slow and at the shop. Eventually pushed the car into the shop and started poking around to see what happen. The set screw(I guess thats what its called) that secures the splined steering shaft into the rag joint had come loose as well the "safety" nut that secures the set screw. Both loosened and allowed the steering shaft to release.

Anyone else had this issue and what is the remedy to fix this so it does not happen again. VERY concerning.

I have attached a picture of the set screw and the nut, hopefully it can be seen in the picture.
Oh ****!

Ill take a look at mine right now since i have the same setup...
 

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I think I'd be running a drill bit down that hole into the steering column shaft.... about 1/2 inch should do it....and replacing the "set screw" with a longer bolt, with the end beveled to match the drilled hole, and the head drilled for safety wire.
 

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Note to self... don't pull on steering wheel.

Holy cr*p!
 

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When I did my Borgeson conversion I used a bearing from Mustang Steve to support and hold the end of the steering column. I also used a u joint instead of the supplied rag joint after reading about failures like this. Works great for me so far.

 

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Another easy fix is to drill 1/8 hole through the shaft and coupler and drive a roll pin through then safety wire through the pin. Alternatively you can drill, drive a solid pin through and button weld the pin in place.
 

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Me too,not sure how this stuff got to the popularity it did .
I had nothing bad to say about mine until this thread came out honestly....

It came with my car when i bought it and it works great.

But yeah now i am concerned and will look at modifying this thing....
 

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With any new product there are bound to be failures. Much like the o rings on the Challenger booster rockets that NASA had been warned might fail under certain conditions. Only in this case on a much smaller scale.

I guess when it warms up and I weld the o2 bung in my 67 I'll check the ones on mine.
 
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