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Home >> Audi >> 2020 >> SQ8 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Air Conditioning (Refrigerant R1234YF Servicing) (Refrigerant Circuit)) >> 87 Air Conditioning >> Refrigerant Circuit >> System Overview - Refrigerant Circuit >> System Overview - Refrigerant Circuit With RESTRICTOR And Reservoir

System Overview - Refrigerant Circuit With RESTRICTOR And Reservoir

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The arrows indicate the refrigerant flow direction.

The following illustration shows a refrigerant circuit with an evaporator as an example.

This layout of a refrigerant circuit is not planned at this time for VW/Audi.

The layout of the refrigerant circuit is vehicle-specific. Refer to Refrigerant Circuit (vehicle-specific service information).

HD = High Pressure Side

ND = Low Pressure Side

Fig 1: Exploded View Of Refrigerant Circuit
GWWA87-11243Courtesy of AUDI OF AMERICA, LLC
  1. A/C Compressor Regulator Valve -N280-
  2. A/C Compressor
  3. Belt Pulley
    • Depending on the version a A/C Clutch -N25- is installed in the belt pulley. Refer to Refrigerant Circuit (vehicle-specific service information).
    • Depending on the version instead of the belt pulley a drive unit can also be present. Refer to Refrigerant Circuit (vehicle-specific service information).
  4. Pressure Relief Valve
  5. Condenser
  6. Refrigerant Pressure Sensor
    • Vehicle-specific versions. Refer to Refrigerant Circuit (vehicle-specific service information).
  7. Service Connection - High Pressure Side
    • With closure cap
  8. Restrictor
  9. Evaporator
    • Evaporator in the front heater and A/C unit (installed under the instrument panel)
  10. Service Connection - Low Pressure Side
    • With closure cap
  11. Reservoir
    • With dryer cartridge