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2 Low-side Ports On GM Cars, Only 1 Is For Service Use
Posted to HVAC Forum on 4/14/2001 1 Reply

NetChillers:

Some GM cars (1991 Chev Cavalier 2.2L, for example) have a low-side service port on the accumulator (as is very common) --AND-- another low-side port in the suction line near the right rear corner of the engine compartment. There is a label on t... Login to read more.

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