using a torch to remove a stuck bolt

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Jun 11, 2006 | 09:22 AM

#16

Bart99GT

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Joined: Jul 2004

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Quote:

Originally Posted by fellro86

Aluminum won't show red, it will just melt... you shouldn't need a cutting torch or such to heat it enough, a regular propane torch likely would work.

I second that, don't use anything but propane to heat aluminium. Even then it should only take a few seconds of heat to make it expand enough to break the plug loose. I used a little heat when replacing the races in the T5 in my Mustang and it only took about 5-6 seconds worth of heat from a propane torch for the race to seat with a little added persuation from a rubber mallet. The job would have normally called for using a press to install the new race.

Jun 16, 2006 | 04:11 PM

#17

helpfulguy

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Joined: Jan 2006

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I would not expect it to work on a filler bolt in an trany, I had the same problem on my truck, I tried heat, penitrating oil, cheater pipe, i finally broke the plug head and then drilled and retapped. best i could figure is either someone cross threaded it or used an impact on it. It should not get corrosion on steel threads in an aluminum housing filled with oil.