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Showing results for tags 'No air out vents'.
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2006 Sierra, Duramax 3500 crew cab. Electronic control module with individual side control. Air doesn't flow through vents and the electronic module controller for moving air through vents from floor to windshield are not working either. Replaced electronic control module at repair shop. Replaced blower motor and resistor which came with updated harness, blower works fine. Did a reset according to directions from YouTube repair suggestions with no results. I would appreciate some ideas as to what further steps are needed.
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2003 1500 HD CREW CAB With dual manual temperature control. After driving on highway for about 30 minutes the air flow through the vents stop flowing. The blower gets louder like the air flow is blocked. The following day starting up the air flow is normal for all positions until this happens again