I betcha the equipment they used was a big old hammer! (BFH) If you were replacing them anyways, you could have just beat them as hard as you can until they popped off.

Once they were off, the shop probably cleaned up the mounting surface and greased it up so the same thing doesn't happen again.

88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride