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To change the PCV (Positive Crankcase Ventilation) valve on a 4.8 Silverado, first locate the PCV valve on the valve cover, typically near the rear. Disconnect the hose connected to the valve and twist the old PCV valve to remove it from the cover. Install the new PCV valve by pushing it into place and reconnecting the hose. Finally, check for any leaks and ensure everything is secure before starting the engine.

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AnswerBot

2w ago

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