Originally Posted by Modded328FTW
I have this exact problem as well.
Under very cold conditions, (cold start), i would get this bad sqeak when the fan is on the lowest speeds. This would come when I brake or put the car in gear. While in gear I would turn the climate off and the noise would vanish. When I turn it back on, it comes back again.
Seems to go away though when the car warms up. Figured the motor was going bad.
Thanks for the advice.
Take the cabin filter off and shoot the blower shaft with some WD40...worked great for me; no more squeaking!