Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit

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 A/C System Repair Information

Air conditioning systems designed for refrigerant R12 are only to be filled with refrigerant R134a if certain requirements are fulfilled. Refer to → Chapter "Refrigerant Circuit, Convertin

 Using Service Station

 General Information

Vehicles with a high-voltage system (hybrid vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Death or serious bodily injury by electric shock. - I

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 Side assist

Description Applies to: vehicles with side assist Fig. 121 Driving situations and displays in the exterior mirror General information Side assist monitors the blind spot and traffic behind your vehicle and provides assistance when you are changing lanes. If the system detects an object approachin

 Service Station, Connecting with No Connection on Low- and High Pressure Side of Refrigerant Circuit

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: Audi 80, Audi Cabrio, Audi Coupe Audi

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