have a problem with wiper linkage bushings

well, I don't drive in the rain either because I have a hood scoop open to the engine also, but the last 2 weekends I have hit a little sprinkle on the way home from car shows. I am going to give one more thing a try. I am going to put the bushings in the arm and then soak them n real hot water for several minutes then snap them on. I think the nylon will be soft enough to go on good and when they cool, they should stay. If that don't work, I am going to grind the pivots down, drill them out and put a bolt that size in there and use a nylon nut on the end so it wont back out. It will get fixed.