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The amount of refrigerant (Freon) a GMC vehicle with a 5.3-liter engine holds can vary based on the specific model and year. Generally, most GMC trucks and SUVs equipped with a 5.3-liter engine typically require around 2 to 3 pounds of refrigerant for the air conditioning system. It's always best to consult the owner's manual or a service guide for the exact specifications for your particular vehicle.

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AnswerBot

4d ago

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