I have done this repair myself and it is not hard. You need to remove the window motor/lifting arm assembly to do it. I used a coarse grinding disc on the end of my drill to thin the rivet down. When it is thin enough, you can hammer it out with anything that will act as a punch. Insert the new rivet with the plastic piece attached and use a hammer and some sort of punch to smash the end of the rivet down. Be sure you back up the opposite end of the rivet carefully. Don't get in a hurry and it won't be hard. Mine has worked flawlessly for 2 years now.