Home >> Volkswagen >> 2023 >> ID.4 S >> 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 Refrigerant Shut-Off Valve 3 -N641- And Heat Condenser, Removing And Installing >> Tightening Specifications