The air condition blower motor is part of the air conditioning system. The ac system control and regulate the temperature of the of the vehicle.
There is no maintenance on the ac blower motor but sometime is replaced when ac system stop operating correctly in a vehicle.
Symptoms of bad valve cover gasket:
⦁ AC fan does not start when the AC is turn on
⦁ AC fan does not stop when the AC is turn off
⦁ AC fan have slow rotations during operation
⦁ Rattling, humming, or buzzing noises from the ac fan
⦁ AC system is operating but cuts out periodically
⦁ No cold airflow from vents during operation
⦁ Smoke or burning smell from vents
⦁ Little or no airflow from the vents
⦁ Repeat blown fuses during AC system operation