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Connections with Schrader valve (needle valve) > < Refrigerant circuit with electrically driven air conditioner compressor (with and without battery cooling module)

A4 Mk1

Connections for quick-release coupling in refrigerant circuit
Connections for quick-release coupling in refrigerant circuit
l  Only valves and connections resistant to R134a refrigerant and the related refrigerant oils are to be used.
l  There are different connections (outer diameter) for high and low-pressure sides.
l  Discharge refrigerant circuit before removing valves or valve cores.
l  Always screw on sealing caps.
Layout in vehicle → Heating, air conditioning; Rep. gr.87 or → Air conditioning; Rep. gr.87 (vehicle-specific Workshop Manual).
t  Connections with Schrader valve (needle valve) → Chapter
t  Connections with primary sealing valve (ball valve) → Chapter
   

Connections with Schrader valve (needle valve) > < Refrigerant circuit with electrically driven air conditioner compressor (with and without battery cooling module)