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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Air Conditioning (Refrigerant R134A Servicing) (2 Of 2) >> 87 Air Conditioning >> A/C Service Station, Connecting >> Service Station, Connecting With No Connection On Low- And High Pressure Side Of Refrigerant Circuit >> General Information

General Information

On the following vehicles, no service connection is provided for the service station on the low-pressure side of the refrigerant circuit; adapters must be used to connect the service station to the refrigerant circuit on these vehicles:

NOTE:

On vehicles with no or inaccessible connection at compressor, remove A/C Refrigerant Low Pressure Switch -F73- (bridge terminals in connector to A/C Refrigerant Low Pressure Switch -F73-) and screw adapter to this connection. Refer to Refrigerant Circuit .

NOTE:

The tools listed below are commercially available or can be obtained from local distributor or importer.

Should it be necessary to measure the pressures at the switch connections on the high-pressure side, use the Adapter Set for Refrigerant Circuit :VAG1785/9  and proceed in the same manner.

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