Refrigerant Circuit, Evacuating: Notes

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Perform the procedure as described in the A/C service station Owner's Manual. Refer to A/C service station Owner's Manual.
The quantity of refrigerant oil in the A/C service station is checked and if necessary corrected. Refer to the A/C service station Owner's Manual.
The refrigerant quantity in the A/C service station is checked and if necessary corrected. Refer to the A/C service station Owner's Manual.

The refrigerant circuit must be evacuated before it is filled with refrigerant (vacuum). Moisture is also extracted by this from the circuit.

Leaks may be found when evacuating the refrigerant circuit. Refer to LEAKS, FINDING .

CAUTION:

- Never start the engine with vacuum in the refrigerant circuit.