Audi A4 Owners & Service Manuals

Audi A4: Laws and Regulations

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 General Information

  Note The laws and regulations listed below are applicable in Germany. Different or additional laws and regulations may apply in other countries. The effects of climate change can be seen wor

 Laws and Regulations

Refrigerant Circuit, Converting R12 to R134a and Servicing   Note For environmental reasons and on account of the corresponding legislation, refrigerant R12 can no longer be manufactured or

 Refrigerant Circuit

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 Refrigerant Circuit, Charging with Service Station

  Note The entire refrigerant charge can be added to either the high or low pressure side. Refer to → Chapter "Refrigerant R134a Capacities, Refrigerant Oil and Approved Refrigerant Oils". The work procedure is always to be performed as described in the operating instructions for

 Service Station, Connecting with Connections on Low- and High Pressure Side of Refrigerant Circuit

Servicing Station, Connecting for Measuring and Testing - Turn off the ignition. - Connect the service station to the power supply. - Connect the quick-release coupling adapter to the charging hoses of service station (handwheels not screwed in/hand shut-off valve not open). - 

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