7B
Fluttering noise or large droning noise is heard from blower fan motor
There are various types of noise, ranging from those produced in the engine compartment to those from the passenger compartment, also from rumbling noises to whistling noises.
Abnormal Noise from Blower Fan Motor
Condition Possible Cause Action
Fluttering noise or large droning noise is heard from blower fan motor
.Leaves or other debris introduced from fresh air inlet to blower fan motor
Remove debris and make sure that the screen at fresh air inlet is intact.