Question about 2007 Pontiac Vibe

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My 2007 Vibe has a constant mildew smell in the AC and heat ventilation system. I have taken it to the dealer numerous times and they have cleared the drain,flushed the system out numerous times and replaced the filter twice. However, shortly after they work on it,within a day or so, the smell returns. There are no dealer recalls regarding this issue. Pleae advise.

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Check the AC drain, if it is plugged water will collect in the heater housing and in the worst case spill on the floor on turns. Also there is a cabin air filter behind the glove box that collects a lot of debris as it filters air coming into the pass. compartment and would likely be plugged after 20,000-30,000 miles. If the car sits outside for extended periods of time, then it's possible that a field mouse took up residency and built a nest in you heater.

Posted on Jun 20, 2010

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Ask them are there any service bulletins ?on this.

Posted on Jun 28, 2009

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