yes. here is one , using this program :
LEAK MARKER
Get it hereAll you have to do is open the program.The search for a "yourmapname.lin" in the folder you are storing the maps and rmfs . Then search for them search for "yourmapname.map" and press ok.Press "mark leak" and then open hammer.
Search for "yourmapname.map" again and open it.In the 3D view you will have to scroll a little and then you will see a red box.Well , there is your leak.Be attentive and you should find it there.
Hope I helped you !