Home >> Audi >> 2019 >> A3 Premium >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Air Conditioning (Refrigerant R134A Servicing) [Convertible] (1 Of 2) >> 87 Air Conditioning >> A/C System, General Information >> Refrigerant R134A Characteristics >> Critical Temperature/Pressure