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  • Flushing coolingsystem

    I change the Coolant from my 3.8V6 Camaro (2001) every 2 years, with GM Dexcool.
    The only problem is, i can't getting it all out, still a few liters left.
    Is there some plug on the underside of the engine, where i can drain the rest of it ?
    do some one have a picture of this drain ?

  • #2
    Re: Flushing coolingsystem

    Only way I know of for 100% flush is a machine..

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    • #3
      Re: Flushing coolingsystem

      Haynes says to unbolt a knock sensor on the side of the engine, I've never done it.

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      • #4
        Re: Flushing coolingsystem

        Originally posted by enzia35 View Post
        Haynes says to unbolt a knock sensor on the side of the engine, I've never done it.
        that, or a freeze plug.

        but IMO its stupid, dexcool is suppose to last 100,000 miles, there is no reason leaving a little behind will be bad, not to mention if it is being replaced every 2 years

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