Question about 1992 Lexus Es 300

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Need to knw where is the low pressure side of the ac to put frigerent in the ac for a 1992 lexius es 300

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The big pipe is the low pressure side. mark with S

Posted on Jun 28, 2009

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The low pressure side or the suction side is a thicker or fatter hose. Be careful because the high pressure side has very high pressure. The low side is always cooler and the high side line is hot.

Posted on Jun 28, 2009

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Look for fitting on bigger diameter hose.

Posted on Jun 28, 2009

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