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Tool Talk Discussion Forum

Frozen Nut

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walt

03-25-2004 08:39:17




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Soaked with PBlaster. Tried 2'cheater bar, no go. Will an impact wrench work if the cheater bar didnt? Trying to avoid heat, radius arm for front suspension.




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James in MO

03-27-2004 10:12:38




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
If it is a radius arm on a Ford truck you are speaking of get the torch and heat it up try a little heat at a time if that doesn't work get a spray like Zepp's powersolv and put a little heat on the nut and then hit the bolt with the spray it flash cools it and will shrink the bolt while leaving the nut expanded You need a spray that evaporates quickly and thus leaves a cooling action this sounds funny but it does work trust me once your nut starts don't stop turning. hope this helps

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T_Bone

03-26-2004 19:49:45




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
Hi Walt,

I agree the impact first then heat, about 500� on the nut is all that is needed. This slightly expands the nut and breaks the rust in the threads thus lets the nut break loose.

The heat should not effect the temper on the adjoining parts. 500� is the temperature that lead melts. A wheel weight works well as a temp stick.

T_Bone



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George

03-25-2004 22:31:17




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
Have had good luck using an air chisel directly into the nut till a good groove is cut, then angle the chisel so that the driving force tends to unscrew the nut.



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Buck

03-25-2004 18:29:15




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
Walt, have you ever used a slugging wrench? You can rent them, they work great! I have removed nuts with a slugging wrench and a 20-pound hammer that a 2-inch impact would not touch. Or place the box end of the wrench on the nut and use a come-a-long to pull.



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mj

03-26-2004 15:29:49




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 Re: Re: Frozen Nut in reply to Buck, 03-25-2004 18:29:15  
What in the world is a 2 inch impact wrench? How do you lift it? How many CFM is your air compressor? Gotta have one! :-)



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Buck

03-26-2004 16:09:05




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 Re: Re: Re: Frozen Nut in reply to mj, 03-26-2004 15:29:49  
mj that is nothing. Years ago I worked in a Exxon refinery breaking down a gas turbine. We used a 6-inch drive impact with two 1200 cfm compressors powering it. A 40-ton crane held the weight and we chained the handles so it would not rotate. Now thats an impact, oh yeah we soaked the nuts with coke for a week before we started!



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mj

03-26-2004 20:56:14




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 Re: Re: Re: Re: Frozen Nut in reply to Buck, 03-26-2004 16:09:05  
Hey....I was IM-pressed but I'm kind of a lightweight so don't go getting a big head!



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Ray,IN

03-25-2004 18:14:24




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
I agree with the impact wrench approach. A 3/4" impact wrench will either remove the nut or break the bolt.



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RJ-Az

03-25-2004 16:56:31




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
It takes a hot wench to loosen a frozen nut!!!



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Ben in KY

03-25-2004 10:22:09




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
A good impact wrench will sometimes work when a cheater bar won't. Something to do with the jarring impacts. I have a nut splitter that works pertty well if it will fit in where the nut is. Also a cutoff tool or Dremel works pretty well as Krqig said. Give the PB blaster a couple of days to work if possible with repeated applications during that time.



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kraigWY

03-25-2004 10:04:09




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 Re: Frozen Nut in reply to walt, 03-25-2004 08:39:17  
If a impact wrench wouldn't jar it loose I would use a die griner with a cut off tool and cut the nut. Just before reach the threads with the cutoff tool, use a small chisel to split the nut, that way you wont damage the threads



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mj

03-26-2004 15:31:06




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 Re: Re: Frozen Nut in reply to kraigWY, 03-25-2004 10:04:09  
Roger that!



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