Originally Posted by rick-l
I bought some jackstands from sears (6 ton). It had a sticker on it that said do not work under the car when supported by 4 jackstands.
I couldn't figure out why.
It could be because four jackstands is really only three (see above) and the one that supports one end of the car could be easily pushed over.
so you're only supposed to use 3 jackstands and then work under the car - got it