Bolt on diff brace just keeps spinning.
so i went to see my car at the shop the other day and i noticed while it was on the lift that one of the bolts on my diff brace (driver side) was a tad loose, so i was twisting it with my hands and it just kept spinning, and wont tighten, what do you do about an issue like this?:scratch:
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Yea I had that same issue. It seems that the nut that the bolt screws into has broken its spot weld with the frame, so it just spins with the bolt. The really bad thing is that the nut is on the inner part of the frame and cannot be acessed even from inside the vehicle.
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Drill it out and time sert it.
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I drilled mine out and installed a bigger size nut and bolts
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Originally Posted by jetlude
(Post 11528504)
Yea I had that same issue. It seems that the nut that the bolt screws into has broken its spot weld with the frame, so it just spins with the bolt. The really bad thing is that the nut is on the inner part of the frame and cannot be acessed even from inside the vehicle.
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Originally Posted by FearNoPiston
(Post 11528786)
Drill it out and time sert it.
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Originally Posted by Copeland
(Post 11529015)
Do this, they're also called "Nutserts".
Anyone have a picture of this? |
You can Google "nutserts", they're a fairly common automotive repair.
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At work right now, will search after thanks guys
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so i wanted to see how this is used.. and saw this video... would this nutsert stay after tighting it to spec? vibration of the car or anything cause it to pop out?
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Originally Posted by FD3S2005
(Post 11529754)
so i wanted to see how this is used.. and saw this video... would this nutsert stay after tighting it to spec? vibration of the car or anything cause it to pop out?
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You can get ribbed ones that don't spin so easy as they bite into the steel when tightened.
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Originally Posted by MakoRacing
(Post 11530618)
They love to spin when tightened with any real amount of torque, the best way to keep it from happening is to tack weld them to whatever they're inserted into. The better option is just tapping out the holes though and re-threading them.
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Originally Posted by NoPis10
(Post 11530883)
Can't re-thread the hole.... What happens is the nut that Mazda tack welds on the inside of the frame breaks off. When this happens, the only metal left is the thin metal of the undercarraige. Hope that makes sense ..:scratch: |
Originally Posted by NoPis10
(Post 11530883)
Can't re-thread the hole.... What happens is the nut that Mazda tack welds on the inside of the frame breaks off. When this happens, the only metal left is the thin metal of the undercarraige. Hope that makes sense ..:scratch: So if nutserts wont work, what are other options? |
Tac weld the nutsert to the body.
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Lacking a welder, here's how I fixed that problem: https://www.rx7club.com/3rd-generati...2/#post9889675
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