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Engine vacuum test

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This topic contains 2 replies, has 2 voices, and was last updated by bill cruz bill cruz 3 months ago.

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  • #958298
    bill cruz
    bill cruz
    Participant

    2009 Silverado 5.3L Flex fuel.Where is the vacuum port?

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  • #958299
    Nightflyr *
    Richard Kirshy
    Participant

    If your looking to test vacuum you can use the brake booster port on the intake to hook a vacuum gauge to.

    #958343
    bill cruz
    bill cruz
    Participant

    Thanks I just wanted another opinion because I just got the truck and to be honest I was a little overwhelmed by all the new stuff in the eng area.Had been driving a 1989 Astro.
    Bill

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