Home >> Audi >> 2024 >> A7 Quattro Premium >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning (Heating, Ventilation And Air Conditioning) (Component Location) >> 87 Air Conditioning >> Refrigerant Circuit >> Check Valves In Refrigerant Circuit, Removing And Installing >> Check Valve In Refrigerant Line From Refrigerant Receiver, Removing And Installing >> Tightening Specifications