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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Heating & Air Conditioning (A3 Platform)) >> Air Conditioning >> A/C refrigerant system (R134a), servicing >> A/C refrigerant system pressures and temperatures, checking >> Notes

A/C refrigerant system pressures and temperatures, checking: Notes

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The pressures and temperatures in the A/C system will vary depending on engine speed (RPM), coolant fan speed, engine coolant temperature, A/C clutch engagement, outside temperature, humidity, etc.

Pressure and temperature specifications are based on the following:

The following list pertains to Fig 1.

  1. Evaporator 
  2. Low-pressure service valve 
  3. Compressor, low pressure side 
  4. Compressor, high pressure side 
  5. Condenser 
  6. Receiver drier 
  7. Sight glass 
    • Not applicable to all vehicles
  8. High-pressure service valve 
  9. Expansion valve 
  10. Fig 1: Identifying Components Of A/C Refrigerant System
    G03363986Courtesy of VOLKSWAGEN OF AMERICA, INC.