Heat Blower Question

[RGreco77]

Hey Guys,

 

2008 GMC SEIRRA DENALI - when the fan is on anything higher than 3 or 4 the air coming out of the vents sounds funny, almost a rattle or there is a blockage.

 

I'm hoping someone can point me in the right direction - the sound sounds like its coming from the Passenger Side floor.

[NEFisher11]

That where the blower motor is mounted. You might have some leaves or crap stuck down in there.

[daleone3]

Or a mouse or rodent nest. I chewed one up after my truck had been sitting and spit fur and twigs out the vent. Good luck

 

 

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