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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 Window Regulator, Removing and Installing

Removing - Remove the rear door window. Refer to → Chapter "Rear Door Window, Removing and Installing". - Release the retainers -3 and 4- on the threaded pins -5- for the window regulator using an 11 mm socket. To do so, slide the socket onto the threaded pin. - Remove the

 Speed warning system

Description Applies to: vehicles with speed warning system The speed warning system helps the driver to stay below a specified maximum speed. A warning threshold can be set in the MMI for this purpose. Once the speed slightly exceeds the stored threshold, the speed warning system will alert the d

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