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changing coolant

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by pmarc, Oct 27, 2008.

  1. pmarc

    pmarc New Member

    Where's the radiator cap on 2003 silverado.

    Manual shows nothing for radiator flushing, per se. What are the steps and water/antifreeze proportions ??
    Manual shows proportions only for topping off in reservoir.

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