No Refrigerant In Circuit
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
-- Discharge the refrigerant circuit.
-- Remove malfunctioning component, flush with compressed air, collect escaping refrigerant oil.
-- The new component is to be filled with the amount of refrigerant oil flushed out (plus 20 cm3 for evaporator, plus 10 cm3 for condenser, refrigerant pipes and refrigerant hoses) as fresh refrigerant oil fill.
-- Replace the restrictor depending on the vehicle.
-- Assemble, evacuate and charge the refrigerant circuit.