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Buzzing noise in interior

jimwil03

By jimwil03
June 12, 2006 in 1999-2013 Silverado 1500 & Sierra 1500

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jimwil03

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jimwil03

Posted June 12, 2006

Posted June 12, 2006

Question. What is that 1.5 in round speaker grill looking thing above the drivers head for? Mine is making a buzzing sound. What could it be?

03 GMC Sierra

Thanks, Jim

jimwil03

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jimwil03

Posted June 12, 2006

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Posted June 12, 2006

It's the aspirator for the climate control system and it's a warranty item.

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