Clutch sometimes losses pressure and wont work to shift moves freely whats wrong on 1993 Saab 9000

anytime can be driving down the road or sitting in a parking lot when i go to start the car whats wrong

Asked by for the 1993 Saab 9000
That could be a few different things. The pressure plate, clutch master cylinder, or clutch slave cylinder could be going bad. Although, I have seen many clutch master and slave cylinders go bad. So, you may want to start there.