I have a 2007 with the G-56 trans and noticed that cold air will come inside of the vehicle though the trans boot/cover console area. I usually feel the cold air when it is 25* and below range.

I was thinking about maybe taking it off and add insulation in the bottom area, good idea? Or is there something else that can be done to help in this situation?

Thinking out loud it could let dust in the vehicle if one was driving on a dusty road.

 

the boot snaps into the underside of the console, maybe run a bead of silicone between the mating surfaces. or it could be it is just not seated right.