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Coolant Drain 2004

Discussion in 'GM Powertrain' started by tdub8517, Nov 30, 2010.

  1. tdub8517

    tdub8517 New Member

    I am trying to figure out how to drain the coolant from my 2004 Silverado 5.3 I found what appeared to be a drain at the left bottom of the radiator. It has a hose barb but appears to be sealed. Any ideas???

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