Section 252 (Air Conditioning (Refrigerant R1234YF Servicing - Refrigerant Circuit))
WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
- 87 Air Conditioning
- Refrigerant Circuit
- System Overview - Refrigerant Circuit
- General Description - Refrigerant Circuit Components
- Refrigerant Circuit Layout And Function
- Mechanically Driven A/C Compressor
- Electrically-Driven A/C Compressor
- Condenser
- Evaporator
- Reservoir
- Heat EXCHANGER For Heat Pump Operation
- Fluid Collector
- RESTRICTOR
- Receiver/Dryer
- Expansion Valve With And Without Shut-Off Valve
- Refrigerant Shut-Off Valves
- Refrigerant Line With Inner Heat EXCHANGER
- Quick-Release Coupling Connections On Refrigerant Line
- Seals
- Refrigerant Circuit Pipes And Hoses
- Pressure Relief Valve
- Check Valves
- Quick-Release Coupling Connections On Refrigerant Circuit
- Refrigerant Circuit Connections With Switch Valve
- Pressure Sensor And Switch On Refrigerant Circuit
- A/C Pressure/Temperature Sensors
- A/C Compressor Regulator Valve -N280-
- Refrigerant Temperature Sensor
- Possible Complaints
- Leaks, Finding
- General Information For Finding Leaks On The Refrigerant Circuit
- Refrigerant Circuit, Finding Leaks Using Electronic Leak Detector
- Leaks, Finding With UV Leak Detection System
- LEAKS, DETERMINING USING VACUUM TEST WITH A/C Service Station
- Leaks, Determining With A Pressure Test, With Nitrogen Or Compressed Air
- Components, Replacing
- General Information For Replacing Components
- Leaking Or Damaged Components, Replacing, Empty Refrigerant Circuit Except A/C Compressor And Receiver/Dryer
- Leaking Or Damaged Components, Replacing, Filled Refrigerant Circuit Except A/C Compressor And Receiver/Dryer
- A/C Compressor, Replacing Without The Need For Flushing Refrigerant Circuit
- A/C Compressor, Replacing Due To Leaking Or Internal Damage
- Dryer Cartridge / Receiver/Dryer, Replacing After Cleaning Refrigerant Circuit
- Receiver/Dryer, Replacing Without The Need For Cleaning Refrigerant Circuit
- Dryer Cartridge And Desiccant Bag, Replacing Without The Need For Cleaning Refrigerant Circuit
- A/C Compressor Regulator Valve -N280-, REMOVING AND INSTALLING, AND REPLACING
- Refrigerant Circuit, Cleaning
- General Information For Cleaning Refrigerant Circuit
- Preliminary Work To Clean Refrigerant Circuit (Flushing With Refrigerant R1234YF)
- Refrigerant Circuit Cleaning Process
- Connection Diagram For Cleaning (Flushing), Refrigerant Circuit With Expansion Valve And Receiver/Dryer
- Connection Diagram For Cleaning (Flushing), Refrigerant Circuit With RESTRICTOR And Container (Without High-Voltage System)
- Connection Diagram For Cleaning (Flushing), Vehicles With High-Voltage System (Without Additional A/C System Functions)
- Connection Diagram For Cleaning (Flushing), Vehicles With High-Voltage System (With Additional A/C System Functions Such As Heat Pump Operation)
- Adapter For Assembling Flushing Circuit
- General Information On Blowing Through With Compressed Air Or Nitrogen
- Refrigerant Circuit, Flushing With Compressed Air Or Nitrogen
- Pressure, Checking With Pressure Gauge
- Working With A/C Service Station
- Refrigerant Circuit