2000 C5, do I need them? Press fingers to open = replaceWant to hold when partially open = replace Closes 1/3 down = replace I did and it stopped all of the above! Start with a very small flathead screwdriver, we all have one in our toolbox, pry up the spring clip, open (pictured), DO NOT power off, remove the cylinder from the rod, rotate the cylinder vertically and repeat Operation on the lower bar . . Reverse order with a new cylinder likely to snap into place without the use of aβ¦