When I broke the sway bar end-links on my taurus I had similar results, but that was on the rear of the car. I'm still not sure what was actually making the clunking sound, but when I replaced the end links it stopped.
I would pull the wheel off and inspect everything as well as you can. Try to get a look at as many bushings as you can to see if they're worn out. A good way to check bushings on control arms and end links is to just push and pull on them hard with your hands to see if you get any knocking or excessive movement.
