stripped mine down yesterday to see what was going on with the horns as they were making a noise like a goose gettin pumped by the farm dog. Turns out their both goosed. To get them out I had to remove the foam that surrounds them in the area they are fitted. I got a bit of a shock when I seen how corroded the area where the body mount bolts are. I reckon that foam is the culprit as it's holding any water back from draining away. Treated all the crap with Fertan and It's back together without the foam and the horns until I get new ones.