can brake fluid be used as a penetrating fluid, to relieve rusted up broken studs. ive busted 3out of 4 m8x1.25 bolts that hold up my Toyota Tacomas skid pan and rather not drill and tap them out, I have access to the top of the broken stud and want to screw them right up and out but they are seized pretty good, also I have no access to heat torch. I was thinking of using a double nut jam or just use vise grips to tighten the shaft up and out. any good tips/tools appreciated. also ive used PB Blaster and a WD40 that really didn't penetrate the threads at all.
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