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Coolant drain / refill

Discussion in 'GM Powertrain' started by Hoss2500, Mar 10, 2012.

  1. Hoss2500

    Hoss2500 Member

    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?


  2. dipstick

    dipstick Member 2 Years 100 Posts

    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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