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1991 Buick Park Avenue Question: why does my air conditioner work really good sometimes?

 

Question

Visitor, Antioch, CA, June 29, 2010, 18:22

while driving it will blow really cool air for about an hour and then it starts blowing hot

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  • Answer #1

    Visitor, October 14, 2010, 14:24

    My 99 Park Avenue was doing this a few weeks ago. It was weird, because sometime it was just hot air, and sometimes it was cold air from the passenger side vents, and hot on the driver's side (at the same time). The culprit was low coolant.

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    Visitor, October 26, 2010, 06:50

    check mechanical linkage under bottom panel ..far right side just up from floor

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  • Answer #2

    Visitor, October 26, 2010, 06:48

    faulty relay ..under hood fuse panel

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