This morning my right hand side wiper arm quit working in a snow storm. A pivot inside the wiper mechanism from the motor separated the arm from the lever. Here is what I did to fix it.
Here is the motor assembly on my bench.
Close up of the pivot that separated. It is pressed in.
I drilled it out in preparation for the fix
I put a nut inside the plastic piece to take up the room of the former round pivot. The new bolt moves around inside this. It is a #6-32 1 1/4 inch length.
Here is a close up of the lever and arm put back together. I greased it up well.
Here it is put back in the truck.
Here is the finished wiper in action: