Leaf Spring Swap. Retorque Everything!

[phydough]

I always have replaced at least the nut with a new one, preferably both nut and bolt, when breaking torque on any suspension fasteners. Old lock nuts just are not worth it to re-use them.
Treat all suspension bolts like axle/spring U-bolts, one time use. Expensive, yes. Worth it, yes, cause they will save my precious ass.

 

[TheJoker]

The lower strut bolt is a one time use bolt. I just don't think it's feasible to replace it when doing the mid perch adjustment. Especially, if your doing it with a low mileage vehicle. Maybe if we had a good source for replacement bolts, more people would change out their hardware when doing suspension mods.

 

[Yukon Joe]

The safety wire won't keep the nut from coming loose. It will keep it from coming off. I think you still need to check your torque every now and then.


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[treypal]

The safety wire won't keep the nut from coming loose. It will keep it from coming off. I think you still need to check your torque every now and then.


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Explain please. The wire is pulling the nut tighter. I realize it doesn't keep the bolt from backing out. I'm going to wire the bolt too

 

[Wilson]

If the bolt is not threaded it will turn, wire stretches. Looks like you just drilled threw the nut, what would be rong about going all the way threw the nut and bolt?

 

[treypal]

If the bolt is not threaded it will turn, wire stretches. Looks like you just drilled threw the nut, what would be rong about going all the way threw the nut and bolt?

The bolt definitely needs to be wired too. I think if you went through both it could work loose and break the wire.

 

[KaiserM715]

The safety wire won't keep the nut from coming loose. It will keep it from coming off. I think you still need to check your torque every now and then.

For aerospace applications, lock wire (when installed correctly), when combined with preload, is considered a secondary locking feature and will maintain preload. As Trey stated, the lock wire is applied in the tightening direction on the nut / fastener.

 

[Hazzard]

Never drill through the bolt (threaded part, head would be fine) it would weaken it an ungodly amount. If the tread is long enough you could always put two nuts on also. It must be the benefit of the Michigan winters though with all the salt and corrosion cause I have never had any bolts loosen up as long as I put a little loctite on them.

 

[onesickpuppy]

Trey, get shoe goo and when tighetend down smear this on the threads and the nut to frame and bolt head to frame. This is my race prep for all bolts on my cars, none back off that I have ever had. Don not use automotive goop, close but not as good as shoe goo.

Good luck.....

 

[Rookie]

I think all Joe is saying is that the safety wire isn't strong enough to maintain torque specs. It's enough to prevent the bolt from falling out and everything going to shit but you wouldn't want to drive around relying on the safety wire to keep the nut on if it loosened up.

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