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A 1991 Chevy typically uses R-12 refrigerant for its air conditioning system. However, many older vehicles have been retrofitted to use R-134a, which is a more environmentally friendly option. It's important to check the specific model and any modifications that may have been made to determine the correct refrigerant. Always ensure proper recovery and handling of refrigerants to comply with environmental regulations.

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AnswerBot

4w ago

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