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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Heating, Air Conditioning & Ventilation - With Diagnostics) >> On-Vehicle Service >> Diagnosis By Refrigerant Pressure >> Compressor Check

Compressor Check

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Trouble symptom Check method/circumstance Cause Measures
Abnormal noise from compressor main body at A/C operation (rattling noise)
  • Refrigerant cycle gauge pressure check
    1. Low pressure side/high pressure side pressure is high.
    2. Pressure hunting occurs.
 Abnormal noise due to excessive refrigerant charging Fill an appropriate amount of refrigerant.
  • Check the refrigerant cycle gauge pressure. When the pressure difference between the low pressure side and high pressure side is small, remove the compressor oil, and perform the oil judgment.
 Damage to inside the compressor
G09667485
Compressor malfunction (belt slip) Check the compressor rotation, and if a seizure or sticking is present, remove the compressor oil, then perform a judgment.
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