Question about 1997 Buick LeSabre

2 Answers

Air conditioner blower

When we turn on our ac the air flow comes out the defrost and or the floor vents. Eventually sometimes it comes out the dash vents. IT doesnt seem to matter where the air flow control is set. Its hot outside please help

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  • jshipman Jul 29, 2008

    It happens all the time. It is a vacuum system and there is a vacuum air going to the system behind the glove box. with air flowing through it.

  • romero478 Aug 03, 2008

    My air conditioner vent is not suppling cold air just on the floors and through the defrost vents. What can I do?

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I found the vac lin broke under the battery

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Does this happen when you accelerate or all the time??, if you have a vacuum operated air distribution system the issue is a vacuum leak, if the AC is electronic then the air blend door motor is failing.

Posted on Jul 29, 2008

  • yadayada
    yadayada Jul 29, 2008

    You will need to check the engine compartment and check the the vacuum supply to the AC mode switch make sure it is not restricted or damaged, such as pinched, the line enters the car on the passenger side near the Blower housing

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