water in tail lights

How do i go about removing the tail lights. i just glanced and it appears you have to remove the back wall plastic and carpeting and i guess theres screws and that behind it to remove the tail lights. Any help would b aweosome before i dive blind into it. lol. thanks, stevo

On S13 Tailights you have to use a heat gun to get the taillights out since they use a Butyl gasket/seal