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I have a 2005 f150 4 Dr. My fan sounds like it's going to come thru my glove box. I replaced the blower resistor and that did not work. I have cold air blowing out, it just gurgles real bad. And it's hot out. Any suggestions
It is possible for the fan motor bearings to dry out or fail.. then the fan rattles or grinds while spinning.. You could also have a mouse nest in the duct and rubbing on the fan blade cage. Only way to tell is to pull the motor / fan and test on the bench.. with the fan out, stick your hand inside the duct and feel for debris.