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safety information first⇒
Introduction
to the subject
Government regulations in the United States and Canada require that automobiles meet specific emission regulations and safety standards. Therefore, vehicles built for the U.S. and Canada differ from vehicles sold in other countries.
If you plan to take your vehicle outside the continental limits of the United States or Canada, there is the possibility that:

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Radio antenna and receptionVolkswagen 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 ...