http://www.saabcentral.com/forums/showthread.php?t=35662Matthew said:Time to withdraw the clutch input shaft. Screw a bolt into the end of the shaft, and lever it back using the Saab tool or a pry bar. The shaft is held in place with a spring clip and will release suddenly and can damage the radiator unless care is taken (put thick cardboard behind the rad). The shaft does cannot be fully withdrawn, but it doesn't need to be for clutch removal.
You can see that the genuine Saab clutch tool has a cutout that fits around the bolt for levering out the input shaft: