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bfiles69 1/6/2013

2002 Chevrolet Tahoe LS 8 Cyl 5.3L

Body & Interior

Why does the air flow coming from my heater get less and less the more I drive the car?

When I start the vehicle and put heater on max air flow, blows well. The longer I drive it, i get less air out the vents, but a louder noise in the glove box area. Seems air is blowing somewhere, just not out the vents.

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