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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 Airbag system

General information WARNING If you have not fastened your safety belt, you are in an incorrect seating position, or you are too close to the airbag system, the airbag system will not be able to protect you. This increases the risk of serious or fatal injuries. Make sure that every vehicle pa

 Underbody Trim Panel

Overview - Underbody Trim Panels 1 -  Nut 2 Nm Quantity: 2 2 -  Front Underbody Panel Removing and installing. Refer to → Chapter "Underbody Trim Panel, Removing and Installing, Front". 3 -  Impact Protector 4 -  Bolt 2 Nm 5 -  Center

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