found that two rubber bushings had come out from under my 95 SSE. guy at Advance Auto said they were from the rear cradle mount bushings. He looked under car where I found one hanging from. He says they can't get them.

anyone know where I can get these and how to go about changing them?

thanks in advance for help

they are a dealership item....you'll have to get them from a GM dealership, preferrably a pontiac dealership because they'll know of the issue better.

I just fixed a friend of mine'* 93 Bonneville today. I went to the local auto salvage yard and just searched through all of the GM large cars (Olds LSS, Olds 98s, Buick Park Ave., Cadillac Deville) that have the four rear subframe/cradle bushings (Grand Prix'* and the mid size cars only have two). I just found the car with the least rusted cradle, metal cups and bolts. I got some off of a low miles Cadillac Deville (probably late 90'*). It cost me $1.50 each for the four. I bolted them all up today and they worked fine.
Good luck, hope this helps.