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Old 10-23-2004, 07:47 PM   #1
sinister72
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how to remove rear u bolts?

I know this seems a simple question. But does anybody have a trick on removing the rear u bolts on a "72" Have tried a strong arm and a 3' cheater bar, but only got a sore back!
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Old 10-23-2004, 07:57 PM   #2
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Fire.........Heat. You can either heat the nuts or cut the u-bolts and put in new ones.
If you don't have a oxy/acc torch to cut with a common porpane torch will do the heating part.
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Old 10-23-2004, 09:03 PM   #3
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cut em! I use a die grinder with a cut off wheel.
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Old 10-24-2004, 03:54 PM   #4
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Yep - when disassembling my wrecked 67 frame, I cut the bolts
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Old 10-24-2004, 04:20 PM   #5
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a good method is to heat em up and theyll come right off. I did mine that way and it was easy.
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Old 10-25-2004, 09:07 AM   #6
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I tried heat(oxy/ace) and a 10' cheater and still ended up cutting the bolts with a die grinder.

Be careful, there's alot of stress on those u-bolts and when they give it can scare the crap out of you...

Good luck, Rg
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Old 10-25-2004, 09:52 AM   #7
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I also ended up cutting mine off.
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Old 10-25-2004, 10:54 AM   #8
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Guess I've had good luck...

Just sprayed mine with penetrating oil several times...used a cheater bar, came right off.
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Old 10-25-2004, 10:00 PM   #9
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HEY HEY I got them off,after cutting with a die grinder,and they do pop and scare the crap out of you the first time! Live and learn!!
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Old 10-25-2004, 10:00 PM   #10
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A good 1/2" 500ft/lb torque air impact gun usually does the trick for me.
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Old 10-25-2004, 10:56 PM   #11
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Yeah, I've got knots on my head from that popping noise...
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Old 10-30-2004, 03:29 PM   #12
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An old trick I used to use on "stubborn" bolts:
Heat the offending bolt and nut with a torch, then cool the bolt down with penetrating oil. Works great, especially on those stubborn exhaust manifold bolts.
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