Audi A4 Owners & Service Manuals

Audi A4: Refrigerant Circuit General Information

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 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. - Individuals with electronic/medical life- and health su

 Refrigerant Circuit Components Allocation, High and Low Pressure Sides

 General Information

High pressure side are the condenser, receiver/dryer and restrictor or expansion valve to separate the high and low pressure liquid ends. High pressure results from the restrictor or expansion valve

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 Belt Fastening Detection

Front Passenger Occupant Detection Sensor -G128-, Removing and Installing   Note The passenger occupant detection sensor is only installed in the front passenger seat. Removing - Unscrew the front passenger seat and tip to the rear with the wires attached. Refer to → Chapter "Fr

 Component Location Overview - Sound System

Component Location Overview - Sound System, Speaker, Sedan 1 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-, 8RM, 9VD    - Left Front Midrange Speaker 2 -R276-/Right Front Midrange Speaker 2 -R277-, 9VS Removing and installing. Refer to → Cha

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