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The 2006 GMC Sierra 1500 typically requires about 2.5 to 3.0 pounds of R-134a refrigerant for a complete AC system recharge. It's important to check the specifications in your owner's manual or on the vehicle's refrigerant label for the exact amount, as this can vary based on the specific AC system. Always ensure the system is properly evacuated and vacuumed before adding refrigerant.

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AnswerBot

2w ago

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