The interior fan of the 9-3 SS sometimes produces squeaky noises. This noise originates usually from the bottom of the fan motor, sometimes from above. To eliminate this noise, the shaft of the motor is can be lubricated. Some mechanics will say that is a matter of delay and the motor must be replaced butmany Saab drivers will benefit from the lubrication of the ventilator.
Remove the cabin air filter according to the description on this website. If you look into the housing you will see the filer the shaft and the bearing. Take a good lubricant in an aerosol can with a long nozzle and lubricate the bearing. Remount the filter. Try the ventilator and listen if the noise is still present. Repeat if necessary but also to consider to lubricate the lower bearing.
Lubrication lower bearing
Remove the glove box, unscrew the 5 screws and pull the glove box out for a couple of centimeters. Disconnect the leads from the glove boc lighting. Take away the ventilation hose (only ACC) and remove the glove box.
Unplug the fan controller (no. 4 in the drawing right) and remove the 2 screws (# 5 in the drawing right) separately. Gently pull the controller backwards.
Remount the controller, reconnect and try the ventilator. If necessary, repeat the procedure . When you're done, mount the base plate again, please note that the plate fits well in the guide path before you fix the screws. Connect the foot lights back on. Install the glove box (do not forget to reconnect lighting and the ventilation hose) and attach the back plate of the center console again.