Yes, but the engine needs to be under a load - with the hood up, set the E-brake and press the brake pedal. Put it in gear and slowly bring up the RPMs while watching the left side of the engine (you can see it from the driver's seat). If you see it raise up more than an inch or so, your left mount is probably shot. My shifter was pulling forward when I would put my foot in it and when I checked my engine mount, the left side of the engine jumped up what seemed like 6 inches - scared that crap out of me.

Took mine to a dealer to have them install the mounts since it was still under warranty, but the bill (had I not had a warranty) would have been around $850. My right mount was in good shape, but since it was under warranty, the dealership replaced both for me so they would have the same amount of time and wear.

Hope this helps..

RL