Originally Posted by KevinM
Make sure you install the new rear springs properly. The springs have a plastic cover on part of the coil, which should be up top. I installed the kit on my car a couple weeks ago and did each side differently because I wasn't paying attention. With the plastic cover on the bottom of the spring it made all kinds of noise and I had to take it all apart again and flip the spring over.
Thanks for that advice - I noticed the plastic sleeve and was wondering which end was up!