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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2091 (Automatic Air Conditioner) >> Trouble Diagnosis >> Insufficient Cooling >> Trouble Diagnoses For Unusual Pressure >> High-pressure Side is Too Low and Low-pressure Side is Too High

High-pressure Side is Too Low and Low-pressure Side is Too High

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
HIGH-PRESSURE SIDE IS TOO LOW AND LOW-PRESSURE SIDE IS TOO HIGH

Gauge indication Refrigerant cycle Probable cause Corrective action
High-pressure side is too low and low-pressure side is too high.
G04878052Courtesy of NISSAN MOTOR CO., U.S.A.
 High- and low-pressure sides become equal soon after compressor operation stops. Compressor pressure operation is improper.
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Damaged inside compressor packings		 Replace compressor.
No temperature difference between high- and low-pressure sides Compressor pressure operation is improper.
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Damaged inside compressor packings.		 Replace compressor.
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