A clicking noise is heard from the blower motor when turned on.

Remove the blower motor and inspect for leaves or debris in the blower motor fan. If so, remove the debris to resolve the incident.

   Also a light ticking or humming noise can be heard coming from the blower motor vehicle when the motor is run at low fan speeds (speed 1 or 2), a new, noise reducing blower motor cover is available. The noise, if it occurs, may be very slight and, at times, difficult to hear.