Cabin air ventilator

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.

Lubrication top

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.

Disconnect the foot lights (if any). Then remove the bottom plate, it is fixed with 2 screws. At the left side against the center console and a lower one at the center of the fan motor. At the right side the plate rests on a hook. Carefully move the plate to remove.

Then remove the plate from the center console..

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.


In the fan casing you will see a hole on the right. This hole is for the cooling fins of the regulator (circled in red in the drawing above). Through this hole, you can reach the lower bearing of the ventilator. Use a spray can with a hose nozzle to lubricate te bearing. I have used super-D2, it  does what it promises.

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.

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