N280

High Pressure Sensor (G65) – AC Blows Hot Air

fix the leak by applying epoxy

If everything is in place and the AC is not cold, it could be the outside (ambient) temperature sensor is faulty. The sensor is clipped in front of the radiator, which the bumper must be removed to replace. Improve cooling performance?  Fixed it. – Audi A8 D3 AC system: As I understand while having this