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Where are the ports front and rear on a 1997 gm suburban so you can refill the freon what freon is used?
Wiki User
∙ 13y ago
Virtually all vehicles since 1994 use refrigerant r-134a. On a 97 Suburban, the suction (low pressure) and discharge (high pressure) ports are located on top of the compressor. Refrigerant is added to the low pressure side. It is attached to the larger refrigerant piping and hose which runs to the accumulator-drier at the firewall. The smaller high pressure pipe attaches to the condenser located in front of the radiator. Do NOT attach a refrigerant can to the high pressure line.
Wiki User
∙ 13y ago
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