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Chevrolet Avalanche 1500 Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

 
Chevrolet Avalanche 1500 Problem
26 Reports
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Model Years Affected: 2002, 2003, 2004, 2005

Average Mileage: 111,411 mi (16,200 mi - 215,000 mi)

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One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

  • Visitor, , 119,000 mi

    when air is on,suddenly it switches to full heat.If i stop and turn the engine off then restart the air works again.

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  • climate dual control both sides down to cold ac switch is on .blows cold air to passenger hot air on driver.
    not fixed yet . looking for repair shop

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  • Visitor, , 108,000 mi

    Intermittantly, hot air comes thru driver's side when all selectors are off. This can happen when A/C is on also, but passenger side is cold. No codes come up on computer when checked. Replaced driver's side actuator door once with an after-market product. It's still doing it. Temp fixes include turning off engine and restarting; turn knob to defrost to redirect air; and recently found that pressing the recirc button helps too while driving. Does the driver's actuator door need to be replaced again? Does it need to be a GM part?

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  • Visitor, , 85,000 mi

    Dual zone air delivery - one side blows a/c cooled air and the other blows heated air in spite of temp control settings

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  • After battery removal air will only blow through defrost vents.

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  • Visitor, , 16,200 mi

    Driver's side emits cool air when heat is selected. Passenger side blows hot air.

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  • Visitor, , 130,000 mi

    The problem that I have at times is the air condition is hot on the drivers side vents, but cold on the passenger side vents

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  • Visitor, , 160,000 mi

    Climate control lights for the passenger no long illuminate, when setting is on cold, cold air will blow on drivers side vents, but heat (that is hotter then the blazes of hell) blows from the passenger vents.

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  • With air conditioning on, sometimes blows hot on passenger side, cold on driver. Sometimes opposite. Turn off engine, restart sometimes let's air conditioning work again

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  •  Rookie

    A/C blows hot through the drivers side and cold through the passengers side when the A/C is supposed to be blowing cold. I have found that pulling over and turning of the engine and re-starting will reset the issue. But I have this issue numerous time a month... This should be something Chevrolet should recall but they do not care about the customer. I have priced the actuators but really won't know which one, until I remove the driver side one and find out the part number. Make me want to drive a FORD!!!

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