Hornet_2497 answered 6 years ago
Not really a dual system. I think they mean you have heater and A/C both front and back in the passenger area. Under the hood, there is only one A/C system that powers both outlet areas in the cab. But it would be a very high capacity system to do so.
I recently filled my ac system with freon and cold air only lasted 3 days and now it blows hot air , what's is the problem with it ? And how can I fix it ?
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Does a 2005 GMC Sierra 1500 have a dual ac system ?
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