(article continues) GOT A TECH QUESTION? CLICK HERE TO EMAIL IT TO US! Then use a 13mm wrench to remove the headlight assembly attachment bolts. © AllAboutVettes.com 2012. All rights reserved. Reproduction of any material on this website is a violation of copyright and is expressly forbidden without permission. This website has not been prepared, approved or licensed by General Motors. Some words, model names, images and designations herein are the property of the trademark holder and used for identification purposes only. VOLUME 3, ISSUE #2 - FEBRUARY, 2012 as well as the rear screws. When all screws are out, remover the cover and set tit aside; this is an optional step to avoid scratching the headlight cover. If you’re careful, you can leave the cover attached to the headlight assembly. Remove the 10mm nuts from the threaded studs. C5 BRONZE HEADLIGHT MOTOR GEAR UPGRADE (continued)