Originally Posted by admranger

...
Also, to free frozen brake rotors. Take the set screw out of the rotor. Then reinstall all the wheels. Tighten the lugs but leave them just slightly loose on the wheels with the offending brake rotors. Now get up to about 5mph and put the brakes on. Should free them right up. If not, jam the brakes on from 5mph. Maybe try 10mph if it doesn't work at 5mph.
...

Good luck.