My mechanic tells me that there is a small gear inside of this that is broken. Thanks I will try Bilstein.
QUOTE=c4cruiser]You should be able to buy a complete set of 4 actuators for $1100 US

Actuators occasionally show up on eBay. There are two different actuators: front and rear. The only difference is the length of the wire on the actuator.
Just out of curiosity, did you pull the codes to determine if the problem is specifically the actuator? There are different codes that will tell if it's a bad shock (typically a broken gear on the shock rod) or a bad actuator. You can also verify a bad actuator by pulling the code and writing it down, swap the actuators side to side, clear the codes, and then see if a new code follows to that side.[/QUOTE]