possible bad motor mounts? Options

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this only happens when im in gear and trying to accelerate after shifting. frickin whole car wobbles like a b*tch through all 5 gears. i could feel the driver's side door panel vibrate like it's going to fall apart. i replaced the spark plugs, wires, blah and it drove fantastically for a month or so before this. i think it's the motor mounts but have never had it actually happen to me. i see on the passenger side mount it has a opening as if a bolt might of came off any ideas on how to check if they're loose or just bad? i see no cracks but ill check early tomorrow morning again.

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yeah mines feel like that too. im storing my celica in a couple days so ill note it and deal with that stuff in the spring. it's annoying because you feel like your car's going to fall apart and the majority of the shake/vibration comes from the front.