so i bought a 2inch lift kit with the metal rings you install above the springs before the strut collar. However i noticed that after i took all the struts and springs apart that i didnt get any rebound on the struts at all. I pushed the rod in and they all got stuck to where i had to pull them back out. My question is are these gas filled like a car and are suppossed to go back to length when pushed down or is this normal. Id say that they are all shot but i dont know for sure.