Refrigerant Circuit Connections With Switch Valve

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

There are different threads for the switch on the high pressure and low pressure sides.
Only valves and O-rings that are resistant to refrigerant R134a and refrigerant oil may be used.

Fig 1: Exploded View Of Refrigerant Circuit Connections With Valve For Switches
Courtesy of AUDI

A - Connection (soldered in)

B - O-Ring

C - Valve (with O-ring)

NOTE:

To remove and install the valve insert -C- when the refrigerant circuit is discharged, use, for example, an adapter from the Refrigerant Sockets:T10364 (for the tightening specification, refer to CONNECTIONS WITH SCHRADER VALVE (NEEDLE VALVE) ).