Audi A4 Owners & Service Manuals

Audi A4: Fluids in the A/C system

Refrigerant in the A/C system

The sticker in the motor compartment provides information about the type and amount of refrigerant used in the vehicle's A/C system. The sticker is located in the front section of the motor compartment or at the front or back of the hood.

Warning: the A/C system must only be serviced by qualified technicians.

Refrigerant type

Lubricant type

Refer to the service information (only available for authorized Audi dealers or authorized Audi Service Facilities)

The A/C system must only be serviced by qualified technicians.

Flammable refrigerant

Make sure all components are disposed of correctly and never install components in the vehicle that have been removed from old vehicles or taken from recycling.

Lubricant in the A/C system

The sticker in the motor compartment provides information about the type and amount of refrigerant oil used in the vehicle's A/C system. For the refrigerant oil quantity, refer to the Technical Data.

WARNING

To ensure secure and safe operation, the A/C system must only be serviced by qualified technicians and certified technicians (SAE standard J2845).

Tips

  • Never repair the A/C system evaporator with components from old vehicles or from recycling.
  • New replacement evaporators for portable A/C systems must be certified and labeled as such, so that they comply with the SAE standard J2842 HFO-1234yf and R744.

    READ NEXT:

     Driving

     Starting the vehicle

    Convenience key Applies to: vehicles with convenience key Fig. 94 Center console: starting the engine Requirement: the key must be in the vehicle. Starting the engine Press and hold the brake pedal

     When driving

    Starting to drive, stopping, and parking Starting from a stop Press and hold the brake pedal. Start the engine. Select "D" or "R". Release the parking brake. Release the brake pedal. The vehicle

    SEE MORE:

     Driver Front Airbag Crash Sensor -G283-, Removing and Installing

      Note The Passenger Side Front Airbag Crash Sensor -G284- is removed and installed the same way. Removing   WARNING Risk of injury due to involuntary deployment. Pay attention to the safety precautions when working with pyrotechnic components. Refer to → Chapter "Safety Precau

     Voltage Regulator, Valeo Generator from 2001, Removing and Installing

    Removing - Remove the generator. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing. - Press the cover on the rear side of the generator off of the threaded pins -arrows-. - Remove the bolts -1- and the double bolt -2-. -&n

    © 2019-2026 Copyright www.audia4b9.com