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  1. #1

    Default 2003 Sierra AC shutting off?

    2003 Seirra 1500K, 5.3, AC works fine when truck first starts up. Then after about 5 to 10 minutes the compression turns off. Sometimes it will turn back on. If I turn the truck off then restart AC will work for another 5 minutes. Could this be a low pressure switch or another control?

    Thanks, Ryan

  2. #2
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    Default

    Sounds like the low pressure switch.. Might be time to check the pressure in the system...
    Mike

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