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Buick lesabre heater problems

This is a discussion on Buick lesabre heater problems within the Domestics and Foreigns forums, part of the Vehicle Specific category; Hey guys, Have an 02 lesabre and the heater does not work. I've checked the hoses to the heater core ...

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    Something Diabolical... chuckie669's Avatar
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    Buick lesabre heater problems

    Hey guys,
    Have an 02 lesabre and the heater does not work.

    I've checked the hoses to the heater core and they both get hot. Noticed the thermostat was bad so replaced that.

    On any vent setting the ac blows through ice cold regardless of were the slider is.

    When I have it on specifically heat, neutral air blows out the floor. This is the only setting where I can have anything other than cold air.

    Is the blend door or actuator my next step in testing or should I look for something else?

  2. #2
    Something Diabolical... chuckie669's Avatar
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    2000 C5 Torch Red

    Has anybody worked on heaters or am I just in a bad section?


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