Garage removed the nuts off the CV shaft and one of them stripped some threads

RJOBX

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The lift install was meant to be an in and out process, but they called me an hour in and said when they were removing the nuts off the CV shaft one of them stripped some threads. (photo included) the replacement part is $500 CAD so my Bronco is sitting and waiting til Monday for the part to arrive.

I called the sales manager at my dealership and he asked the garage to call his guy to discuss.

Who should be on the hook for this cost? Would this fall under warranty, or will Ford try to claim it was outside of their care so it isn't covered?

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Snacktime

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Single use nuts, who ever put them back on is at fault. Biggest issue is Ford put single use nuts on in the first place.
 

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The lift install was meant to be an in and out process, but they called me an hour in and said when they were removing the nuts off the CV shaft one of them stripped some threads. (photo included) the replacement part is $500 CAD so my Bronco is sitting and waiting til Monday for the part to arrive.

I called the sales manager at my dealership and he asked the garage to call his guy to discuss.

Who should be on the hook for this cost? Would this fall under warranty, or will Ford try to claim it was outside of their care so it isn't covered?

IMG_4389.JPG
This looks like galling to me, rather than having been cross threaded when it was put on during production. Air tools create a lot heat. anti-seize on the threads up to the nut, then impact away it would have zipped right off.

We used to call cross threading PML poor man’s Loctite.😳 when we made a little oopsie.
 

Ducati1098

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My right side axle did the same thing when I put the lift on mine. 1k miles and the axle nut was already cross threaded on from the factory. Luckily it wasn’t too bad. I was able to clean it up.
 

Ducati1098

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Single use nuts, who ever put them back on is at fault. Biggest issue is Ford put single use nuts on in the first place.
I don’t think anyone has put the nut back on. I believe the OP means just taking it off for the first time it happened.
 

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RJOBX

RJOBX

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This looks like galling to me, rather than having been cross threaded when it was put on during production. Air tools create a lot heat. anti-seize on the threads up to the nut, then impact away it would have zipped right off.

We used to call cross threading PML poor man’s Loctite.😳 when we made a little oopsie.
So in your opinion this was caused by the shop doing the lift, and they just went too fast on removing the nut, or could that have been caused in Michigan during assembly?
 

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So in your opinion this was caused by the shop doing the lift, and they just went too fast on removing the nut, or could that have been caused in Michigan during assembly?
This definitely looks like galling during the removal. It’s pretty hard to cross thread a fastener of that depth and size.
 

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FYI you can buy a large dye to clean up the threads on this from Amazon. You just need to find out the size/thread pitch.

Judging from the picture, the damaged part is pretty far out from where the nut sits and shouldn’t have an effect on the integrity of the axle/hub.

Axle Spindle Rethreading Tool Set Repair/Cleaning Threading Tools High-Strength Tools Set Easy To Store Thread Restorer Use With 1-1/4" Socket Mechanic Tool Set For M20,22,24 13/16 3/4 x 20 UNEF 8pc https://a.co/d/338Cjum

that link is for a kit with a few different sizes. I’m not sure what the thread size is on the bronco but the shop should be able to measure it.
 

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swami37

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That sucks. This is why I installed my 2 inch lift without removing the axle. I removed lower control arm instead. Stage3 has a YouTube video on the process. Good luck
You should be able to run a Die on the threads and clean them up
 

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I did the same thing to mine. The axles are extremely soft. Like use a flathead screwdriver to redo the threads soft. I ended up running a harbor freight die over the axle and a tap in the nut. (Didn't know they were "single use"
 

‘21OBX

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FYI you can buy a large dye to clean up the threads on this from Amazon. You just need to find out the size/thread pitch.

Judging from the picture, the damaged part is pretty far out from where the nut sits and shouldn’t have an effect on the integrity of the axle/hub.

Axle Spindle Rethreading Tool Set Repair/Cleaning Threading Tools High-Strength Tools Set Easy To Store Thread Restorer Use With 1-1/4" Socket Mechanic Tool Set For M20,22,24 13/16 3/4 x 20 UNEF 8pc https://a.co/d/338Cjum

that link is for a kit with a few different sizes. I’m not sure what the thread size is on the bronco but the shop should be able to measure it.
This is the route I would go. If I didn’t just hand file it back nice. It has no impact on the cv joints or shaft integrity. It looks to be beyond where the nut will rest and it’s not stretched like an over torque situation. Clean up new nut and hand tools. Good to go.
 

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I did the same thing to mine. The axles are extremely soft. Like use a flathead screwdriver to redo the threads soft. I ended up running a harbor freight die over the axle and a tap in the nut. (Didn't know they were "single use"
@BroncoU812 (or anyone else) do you remember the thread size and pitch?
 

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