I've recently had a brand new set of KW V1 fitted to my GTI. The garage left them set farily high, so I went to lower them at the weekend. The fronts were no problem, the rears however I can't figure it out... There's the top mount on the spring, with the threaded section mounted to the car, and the purple adjusting collar. However when I try to turn the collar to lower/raise the height, both parts turn together. It looks like the threaded section isn't actually secured to the car in anyway, is this right? The only way I can think of adjusting it otherwise it to remove it from the car, which surely isn't the case?
I've probably missed something really obvious, but any help will be greatly appreciated.
Cheers