Check Valves
WARNING: This page is about a different variant/trim than selected.
The check valves disconnect in different areas of the refrigerant circuit. Refer to Refrigerant Circuit (vehicle-specific repair information).
NOTE:
The illustrated check valve -3- is installed for example on a Audi Q7 e-tron. Refer to Refrigerant Circuit (vehicle-specific repair information).
The check valves in the refrigerant circuit in the flow direction have a specified residual pressure (approximately 0.1 bar (1.45 psi) or 100 mbar (1.45 psi)). So that the refrigerant circuit can be completely evacuated (residual pressure less than 5 mbar (0.07 psi)) all electrically activated valves must be opened.
Depending on the version, the flow direction may be marked with a sticker.