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Using a set of a/c gauges put the blue hose on the low side (suction side) and the red hose on the high side (discharge side) to first check the pressures.....

Add freon if needed and keep the pressures as follows.. low side readings between 30 to 40psi and the high side between 200 to 250psi depending on the outside temperature…………….

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15y ago

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