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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 Quick-Release Connections on Refrigerant Lines

  WARNING The quick-release coupling connectors may be unlocked and opened only if the refrigerant circuit is empty.   Note This illustration shows the quick-coupling connection with a refrigerant pipe with an inner heat exchanger that is installed in the Audi A4 from MY 2008 and

 Front Door Trim Panel, Removing and Installing

Special tools and workshop equipment required Wedge Set -T10383- Wedge Set - Wedge 1 -T10383/1- Removing - Switch off the ignition. - Unclip the decorative trim -1- using the -T10383/1- in the direction of -arrow A-. - Release the remaining retainers, disengage the decorative tr

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