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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Heater, Ventilator And A/C) >> Refrigerant Pressure with Manifold Gauge Set >> Inspection >> Low-Pressure Side Is Low

Low-Pressure Side Is Low

Step Check Yes No
1 CHECK REFRIGERANT LEAKS. 
Check the refrigerant for leaks. Refer to INSPECTION .
NOTE: When high-pressure side is less than 0.69Mpa: Go to step 2.
 Are there refrigerant leaks? Repair the refrigerant leaking points. Go to step 2  .
2 FILL PROPER AMOUNT OF REFRIGERANT. 
Drain all refrigerant, and refill proper amount of refrigerant.
 Is refrigerant pressure within the standard value? Refrigerant pressure is normal. Go to step 3  .
3 REPLACE EXPANSION VALVE. 
Replace the expansion valve. Refer to REMOVAL .		 Is refrigerant pressure within the standard value? Refrigerant pressure is normal. Inspect the compressor. Refer to COLD AIR DOES NOT COME OUT EVEN WHEN THE A/C SWITCH IS PRESSED. THE GLASS CANNOT BE DEFOGGED (COMPRESSOR DOES NOT OPERATE (VARIABLE)) .
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