Home >> Volkswagen >> 2021 >> ID.4 Pro, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> 87 Air Conditioning >> Refrigerant Circuit >> Refrigerant Line, Removing And Installing, R744 >> Refrigerant Line Between A/C Compressor And Dryer, Removing And Installing >> Tightening Specifications