I have 1999 S80 T6 with a Visco Clutch. Both axles and the visco need to be replaced. I undertsand what it does, but I also beleive that not all 1999's had them. Is it possible to replace the passgenger axle with a non visco axle ? Or, does anybody have a source for a remanufactred or 3rd party source for a Visco? Volvo wants $800 for it and that's not much less than what the car is worth.