I just discovered that the front driver'* side motor (tranny) mount has separated where the rubber meets the metal bracket nearest to the engine.

How many motor mounts does my engine have?
Do they just bolt-on?
Can anyone tell me the part numbers, cost, and how to replace them?

I doubt that I need to replace the upper torque mount on the passenger side, that one looks ok, but I couldn't even see where the other mounts are. I want to replace all but the torque mounst as soon as possible, but only if they need replacement.

I just called a couple of auto parts stores, and they said there are 4 mounts. There'*
the rubber torque axis mount and the lower fluid mount on the passenger side, and 2 tranny mounts on the driver'* side - the lower front rubber one (mine'* bad) plus the lower rear fluid one.

How can I tell if the fluid mounts need to be replaced? Is it common for only the front driver'* side tranny mount to fail? Have any of you been through this with your Bonnie?

Problem solved.
I called around, including a local Pontiac dealership. The dealer wanted over $300 for the rear tranny mount (driver'* side) so I didn't buy anything from them.
I bought only the front left tranny mount (driver'* side) from auto zone for $39 and had it installed at a local tranny shop. It was completely broken where the rubber meets the metal on the tranny side of the mount. They checked the other tranny mount and the 2 engine mounts and they were all ok.

Interesting note, though - Auto Zone, Kragen, Pep Boys and the Pontiac dealer said that the rear engine mount (passenger side) and rear tranny mount (driver'* side) were fluid filled or something like that...but according to the tranny shop they're not...so everyone I called was wrong about those parts.