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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 Voltage Regulator, Bosch Generator from 2001, Removing and Installing

Removing - Remove the generator. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing. - Remove the bolt -1- and the nuts -3- and -4-. - Remove the cover -2- on the rear side of the generator. - Remove the bolts -arrows

 Digital compass

Switching the compass on and off Applies to: vehicles with digital compass Fig. 55 Rearview mirror: digital compass is switched on To turn the compass on or off, press the button (1) until the compass display in the mirror turns on or off. The digital compass only works when the ignition is tu

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