Section 27 (Air Conditioning (Refrigerant R1234YF Servicing) (Refrigerant Circuit))
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, 2021 Audi SQ5, and 2021 Audi Q5 e. 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 Pump Operation Heater Core
- 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 Lines
- Seals
- Refrigerant Circuit Pipes And Hoses
- Pressure Relief Valve
- Check Valves
- Quick-Release Coupling Connections On Refrigerant Circuit
- Refrigerant Circuit Connections With Valve For Switches
- Pressure Sensor And Switch On Refrigerant Circuit
- A/C Pressure/Temperature Sensor
- A/C Compressor Regulator Valve -N280-
- Refrigerant Temperature Sensor
- Possible Concerns
- 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 Areas, Replacing, Empty Refrigerant Circuit Except A/C Compressor And Receiver/Dryer
- Leaking Or Damaged Areas, Replacing, Full Refrigerant Circuit Except A/C Compressor And Receiver/Dryer
- A/C Compressor, Replacing Without The Need For Flushing Refrigerant Circuit
- Electrical A/C Compressor, Replacing Without Needing To Clean Refrigerant Circuit
- Compressor, Replacing On Account Of Leakage Or Internal Damage
- Dryer Cartridge/Receiver/Dryer. Replacing After Cleaning Refrigerant Circuit
- Receiver/Dryer, Replacing Without The Need For Flushing Refrigerant Circuit
- Dryer Cartridge And Desiccant Bag, Replacing Without The Need For Flushing Refrigerant Circuit
- A/C Compressor Regulator Valve -N280-, REMOVING AND INSTALLING AND REPLACING
- Refrigerant Circuit, Cleaning
- General Information For Cleaning Refrigerant Circuit
- Cleaning The Refrigerant Circuit, Preliminary Work (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
- Notes
- Audi A1 from MY 2017
- Audi Q3 from MY 2017
- Audi Q2 from MY 2017, Audi A3 from MY 2017, Audi Q3 from MY 2019, Audi TT from MY 2017, Audi A1 (GB) from MY 2019, Audi A3 from MY 2021
- Audi A3 e-tron
- Audi A4 (8K_) from MY 2017
- Audi A5 (F5_) from MY 2016, Audi Q5 (FY_) from MY 2017, Audi A4 (8W_) from MY 2017
- Audi Q5 TFSI e (FY_) from MY 2019
- Audi A5 Coupe and Sportback from MY 2017, Audi Q5 from MY 2017, Audi A5 Cabriolet from MY 2016
- Audi A6 (4G_ oder 4X_ for China) from MY 2017, Audi A7 (4G_ oder 4X_ for China) from MY 2017
- Audi A6 (4A) from MY 2019, Audi A7 (4K) from MY 2018
- Audi A6 TFSI e (4K_) from MY 2019, Audi A7 TFSI e (4K_) from MY 2019
- Audi A8 (4H_) from MY 2010
- Audi A8 (4N) from MY 2018
- Audi A8 (4N_) TFSIe from MY 2019
- Audi Q7 (4M_) from MY 2016, Audi Q8 (4M_) from MY 2018
- Audi Q7 (4M_) e-tron from MY 2017
- Audi R8 (4S_) from MY 2017
- Audi e-tron (GE_) e-tron from MY 2019
- 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