Originally Posted by kelvin2010
I'm trying to lower the car today. When I turn the purple ring, the black piece on the top moves together...
maybe something wrong with the installation??
Yes because of the load on it. Just find something to clamp on the black piece to hold it in place and then turn the purple ring. This would be the easiest way or you can just compress spring/remove bolt on lower control arm. Its not an install error.