Doing this now as we speak. I'm glad I found this thread! I got the dreaded P1518 code and my DSI clip is still fine so this was the only option left :). Hopefully I don't need a new IMRC actuator box.
It was the original thread I was looking for but glad there are two as this was more in-depth.
SVT Squad #227 || Build # 1329 of 1978 || FF ROTM Oct. 2006