i've never heard of this happening, but if you can get some small washers or wheel shims, put one or two on the screw so that it gets better contact with the horn. hope it helps.
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skyline, black
Spinbrush motor with capacitor mod, 10-tooth pinion, blue spings, 3.0 tie rod, lego tires, AWD. Plastic driveshaft.
rally!
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