I have a 2001 Yukon XL 2500 8.1 with the autoride shock system. I have almost 110K miles on it and tow a 9K travel trailer. I am considering changing out the rear shocks with air shocks to stiffen the ride with camper. I would like some opinions about removing the autoride shocks....if it's a good idea and how to fool the system to prevent the warning message on the dash. Another question is my rear drivers side window won't roll down. Does anyone know the part number for the window regulator?