If you can get a strong flashlight and a mirror look right above the vm. There should be a screw or two (don't remember exactly) holding a "keeper" in place. Remove the screw, pull the "keeper" away from the vm in the perpendicular direction and the vm should pull straight out. Based on the model - you need to make sure you pull it straight out. Some of them have a plastic "pin" that will break if you pull it to the side.

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Jim