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How to remove a stud


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#1 Mad Bomber

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Posted 07 October 2017 - 01:34 PM

Some of the ARP studs won't come out. How and what do I use to remove them? Thanks Eric

#2 Torque Monkey

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Posted 07 October 2017 - 02:28 PM

Using an Allen wrench on them at the top won't remove them? You can also put 2 nuts on them and tighten them together. Then use one of the nuts to wrench the stud out. If they are rusted in, you may need to soak them in penetrating oil. If you use a pipe wrench or pliers to get them out, you will most likely damage them and they shouldn't be used if that happens.

#3 Mad Bomber

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Posted 07 October 2017 - 03:15 PM

I tried that but didn't work. What type of nuts do you use?

#4 livingez_123

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Posted 07 October 2017 - 03:55 PM

How about some penetrating oil and Heat and the double nutted idea

#5 Woodenhead

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Posted 07 October 2017 - 04:04 PM

I had similar issues and ended up using a jam nut on top of an ARP nut and had to loctite it all together. Destroyed a few jam nuts before I went to the loctite. The ARP nut needed to be on the bottom.

#6 Mad Bomber

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Posted 08 October 2017 - 02:32 PM

So is the ARP bolt upside down?

#7 Woodenhead

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Posted 08 October 2017 - 05:15 PM

So is the ARP bolt upside down?

I used the nut upsidedown.

#8 HOSS

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Posted 09 October 2017 - 04:49 AM

I had similar issues and ended up using a jam nut on top of an ARP nut and had to loctite it all together. Destroyed a few jam nuts before I went to the loctite. The ARP nut needed to be on the bottom.

I did the same thing but used two ARP nuts facing each other no loctite required 



#9 Woodenhead

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Posted 09 October 2017 - 08:43 AM

I did the same thing but used two ARP nuts facing each other no loctite required 

 

 

Maybe that's what I did.  I seem to recall having to capture the box end wrench under the bottom nut.  I know I destroyed a few jam nuts and the loctite was a last resort before it got real ugly.



#10 Mad Bomber

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Posted 11 October 2017 - 09:26 AM

What about if removing the head and using vice grips on the middle of the stud. Does this hurt the stud doing this?

#11 marksmith

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Posted 11 October 2017 - 09:28 AM

Vice grips will mar the stud.  I'd be afraid of weakening it.



#12 stroketeck

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Posted 11 October 2017 - 09:32 AM

I never clamp anything on the stud, always double nut


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#13 Woodenhead

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Posted 11 October 2017 - 09:33 AM

What about if removing the head and using vice grips on the middle of the stud. Does this hurt the stud doing this?

 

Yes it'll hurt the stud, which is already prone to cracking.  You may not be able to get the head off depending which stud it is.  You'd also risk bouncing the head off the top of the stud and damaging the surface.

 

Did you try cleaning the threads and double nutting with loctite?



#14 Mad Bomber

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Posted 11 October 2017 - 11:07 AM

Engine will be out of truck

#15 Mad Bomber

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Posted 11 October 2017 - 11:09 AM

That is the engine to be returned to CumminsNW. BTW Cummins NW is now in Everett

#16 Woodenhead

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Posted 11 October 2017 - 12:51 PM

In that case absolutely remove the head. That should give you plenty of access to double nut two ARP nuts with the flange faces together and use a box end wrench on the bottom. I'll be surprised if that doesn't do it.


Edited by Woodenhead, 11 October 2017 - 02:43 PM.





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