2005 cadillac sts awd v8 coolant
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Cadillac STS Forum - 2005 through 2012 Discussion, 2005 cadillac sts awd v8 coolant in Past Cadillac Vehicle Discussion; My water pump just went out and I'm replacing it what's best to use dexcool str8 up antifreeze and a ...
  1. #1
    Mickjagger5's Avatar
    Mickjagger5 is offline Cadillac Owners Member
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    2005 cadillac sts awd v8 coolant

    My water pump just went out and I'm replacing it what's best to use dexcool str8 up antifreeze and a couple gallons of water or GM premix

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  3. #2
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Re: 2005 cadillac sts awd v8 coolant

    Dex needs to be mixed 50/50 with distilled water too just like the green stuff. I've always stuck with dex myself.

    If you're not flushing the system completely I'd strongly recommend sticking with dex.
    Past Cadillac's

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  4. #3
    Mickjagger5's Avatar
    Mickjagger5 is offline Cadillac Owners Member
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    Re: 2005 cadillac sts awd v8 coolant

    Gm premix is dexcool too should I just buy the antifreeze or the 50/50 is what im asking

  5. #4
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Re: 2005 cadillac sts awd v8 coolant

    I always buy concentrated dex and mix myself 50/50 with distilled water, more bang for your buck!
    Past Cadillac's

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    2001 Seville Touring Sedan - 2006-2011
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  6. #5
    Guy.Seminerio is offline Cadillac Owners Connoisseur
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    Re: 2005 cadillac sts awd v8 coolant

    And I buy the pre mixed so I don't screw anything up. And I'm lazy.

  7. #6
    STSJr's Avatar
    STSJr is offline Cadillac Owners Fanatic
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    I buy the pre mixed dex cool too! Easy as pie!

  8. #7
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
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    Re: 2005 cadillac sts awd v8 coolant

    Just keep keep the cap tight on any unused Dexcool. It doesn't like air.

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