the rivits hold the window crank in place. If it needs replaced, you will need to drill them out and replace them with new rivits or a small nut and bolt.
As far as seeing inside, remove the plastic covering the door and the openings are all you get. Use a mirror to see around inside. There isn't much room to work, so make sure you don't cut yourself on the steel that your arms will slide through.
Monday, October 10th, 2011 AT 2:22 AM