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I have an 07 imp with a 3.5, that blows cold air only. My heater core isn't clogged, coolant level is full, runs at normal temp, and heater hoses are hot. The 2 actuators on the passenger side and one on the drivers side are working properly. Just to make sure, I even turned the knobs by hand and held the flaps open. I don't know what else to do. Any help will be appreciated
 

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8th Gen Antagonist
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13,660 Posts
Still blows cold when you rev the engine? If you haven't tried, hold the revs at about 3k for 10 seconds and see if it blows hot. If it does, coolant full or not, you have an air pocket.
 
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