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  1. #1
    Sr. Apprentice
    Join Date
    Jul 2009
    Location
    Conroe Texas
    Posts
    38

    Default Coolant drain / refill

    I've got a 2009 2500HD w/ the 6.0L Vortec.

    Wanting to drain and fill the coolant. Trying to avoid the dexcool issues I've seen online.

    Can anyone give me some tips on how to do this? I can't find a drain plug on the bottom of the radiator, and I can't seem to figure out how to get to the lower radiator hose to take it off.

    Any tips or pointers? ANything special I need to know if I'm going to drain and refill coolant?


    Thanks.

    Hoss2500
    2009 Silverado 2500 HD
    6.0L
    6 speed auto


  2. #2
    Sr. Engineer
    Join Date
    Dec 2011
    Location
    11-22-boogie woogie avenue
    Posts
    308

    Default

    04 gm quit putting any drain plugs on radiators ..why ..who knows .
    Says to take bottom hose loose..maybe google how to take hose off .

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