Volkswagen Tiguan Service and Repair Manual > Refrigerant Circuit, Flushing (Cleaning) with Refrigerant R134a: Adapter for Assembling Flushing Circuit
The following table lists the different adapters necessary to connect
the service station to the refrigerant circuit, to flush and to bypass the
removed receiver/dryer or reservoir and expansion valve (depending on the
vehicle).
Using a charge hose with 5/8 -18 UNF connections (short versio ...