Another answer is having the hydraulic cylinders rebuilt. I have read here in this forum about how he uses newer better pressure seals etc and the price was good. That would leave you or your mechanic to R&R the cyls. I 'd try it myself....
I just sent my BCM; body control module out to be fixed, i never thought I would be doing stuff like that but this forum is an amazing source.
Each repair you know your Crossfire better, and it helps to have something else to drive and a garage.