^ I think they are...
Thanks to the OP for making this thread (years ago). I'm planning to tackle this tonight. I replaced the transmission mount yesterday but that was it. The nut on my front is rounded-off (great) and the passenger-side piece that mounts to the engine would not come out of the old mount. Brought it to work today and basically grinded the rubber off then grinded the metal sleeve thin, then it slid right off. I'll put that side back in first and have both sides done, try to get the front replaced (borrowing air-tools from work and some old sockets metric and USA of sizes close to 17, might have to beat one on then impact the nut off) first, then I'll start on the back...
Considered putting it off after reading this thread, but I'm concerned that if it is torn, the other three new ones will have extra stress on them until the rear is replaced. Might as well go ahead and (attempt) to get it done. Plus, I have all of that crap removed already (to replace the transmission mount). Thank goodness I have extra cars laying around to drive.