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Old Today, 01:19 AM   #1
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Default 2011 F150 Noise in dash

When key is turned over. Especially if the ac/heater button is on. It will make like a grinding noise then almost sounds like its running on a track.Does this in intervals*of 1 to 8 then it stops. Sounds like its coming from behind the instrument panel. My vents dont work right also. Could this be like a vent/blower motor going out. I just purchased this truck. First thing I did was got a Haynes manual but I really can't find anything in it about this...any help would be appreciative. ...
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Old Today, 08:48 AM   #2
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Blend door or blend door motor
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08 FX4... Flowmaster Exhaust, line-X, Sky Jacker leveling kit. 295/65/20 Nitto trails mounted on 20 X 9 Carol Shelby wheels. AIRAID CAI. Harley headlamps and LED Tails & 3rd brake lights,custom upper and lower Grill. Edge Evolution. Interior/Exterior LED lighting, NFAB step bars.
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