bad smell coming out of ac vents.

2010 GMC SIERRA
35,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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KHEBERT
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suddenly developed a stinky smell coming out of ac vents. does truck have a cabin air filter. where do I find it
Apr 13, 2014 at 5:48 AM
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HMAC300
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no cabin filter on this vehicle. if there is it will be under vent in front of windshield and it will lift as it will be hinged. make sure drain for a/c is clear under truck then spray febreeze at front of windshield with blower on and at floor and vents.
Apr 13, 2014 at 8:22 AM