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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Conditioning (Refrigerant R134A Servicing) (2 Of 2) >> 87 Air Conditioning >> Refrigerant Circuit General Information >> Switches And Sensors On Refrigerant Circuit And Connections >> A/C Refrigerant Low Pressure Switch -F73-

A/C Refrigerant Low Pressure Switch -F73-

Fig 1: A/C Refrigerant Low Pressure Switch
GWWV87-1407Courtesy of AUDI OF AMERICA, LLC
NOTE:

Switch pressures, removing and installing switches as well as switch arrangement and version. Refer to vehicle specific refrigerant circuit. Refer to Refrigerant Circuit .

Function:

Switches off A/C compressor when there is excessive pressure in the refrigerant circuit (approximately 2 bar (29 psi)).

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