1995 Golf III L4-20L ABA HVAC Hose/Line Component Specs
Hose/Line HVAC: Application and ID
The mixture of refrigerant oil (PAG oil) and refrigerant R-134a attacks some metals and alloys (for example, copper) and breaks down certain hose
material. On R-134a equipped vehicles, use only hoses and lines that are identified with a green mark (stripe or the lettering "R-134a").