A common problem on Jeep Liberty SUVs involves the passenger side carpet getting wet because of the air conditioner drain hose being plugged, where the condensation water is supposed to drain from. The drain hose sticks out about an inch inside the engine compartment, and is relatively easy to access. All you need to do is use a wire, at least six inches, to probe into it and release and buildup. You can also blow air into the hose. Watch and learn this simple A/C repair trick.