Nov 16, 2021 · Use two nuts and washers to fasten the bottom of the tray in place. The one closest to the firewall is a little tricky, due toShenzhen Nokin Traffic Facilities Co. room. I found that it was easiest to use a magnetic pick-up tool to place/start the washers and nuts on the factory studs. Add a few drops of Loctite Threadlocker Blue 242 to the nuts or studs.