Section 174 (Air Conditioning (Refrigerant R134A Servicing) (General Information))
WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
- 87 Air Conditioning
- Safety Precautions
- Notes
- Safety Precautions When Working On A/C Systems
- Safety Precautions When Handling Refrigerant
- Safety Precautions When Working On Vehicles With Start/Stop System
- Safety Precautions When Working On Vehicles With High-Voltage System
- Safety Precautions When Working Near High-Voltage Components
- Safety Precautions During Road Test With Testing Equipment
- A/C System, General Information
- Introduction
- Additional Information Sources
- A/C Technology Basic Principles
- Refrigerant R134A
- Refrigerant R134A Properties
- Refrigerant Oil
- A/C System Operation
- General Safety Precautions
- Product Characteristics
- Refrigerant, Handling
- Pressure Reservoirs, Handling
- Refrigerant Circuit General Precautions
- After Charging A/C System And Before Activating A/C System
- Refrigerant Circuit General Information
- Refrigerant Circuit Components
- Refrigerant Circuit Component Allocation, Influence On High And Low Pressure Sides
- Notes
- Mechanically Driven A/C Compressor:
- Electrically-Driven A/C Compressor, Vehicles With High-Voltage System
- Condenser
- Evaporator
- Heat EXCHANGER For Heat Pump Operation
- Fluid Collector
- Reservoir
- RESTRICTOR
- Receiver/Dryer
- Expansion Valve
- Expansion Valve With Shut-Off Valve
- Refrigerant Shut-Off Valves
- Refrigerant Line With Inner Heat EXCHANGER
- Quick-Release Coupling Connections On Refrigerant Line
- O-Rings
- Refrigerant Circuit Pipes And Hoses
- Pressure Relief Valve
- Check Valves
- Overview - Refrigerant Circuit
- Refrigerant Circuit With Electrically-Driven A/C Compressor
- Quick-Release Coupling Connections On Refrigerant Circuit
- Switches And Sensors On Refrigerant Circuit And Connections
- Notes
- A/C Refrigerant High Pressure Switch -F23-
- Magnetic Clutch High Pressure Switch -F118-
- A/C Refrigerant Low Pressure Switch -F73-
- Refrigerant Circuit Connections With Switch Valve
- A/C Pressure Switch -F129-
- High Pressure Sensor -G65-, Refrigerant Circuit Pressure Sensor -G805-
- A/C Pressure/Temperature Sensors
- A/C Compressor Regulator Valve -N280-
- A/C Compressor Speed Sensor -G111-
- Refrigerant Temperature Sensor -G454-
- Electrical Components Not On Refrigerant Circuit
- Refrigerant Circuit Pressures And Temperatures
- Pressure Gauge, Tests And Measurements
- A/C Service And Recycling Units
- Refrigerant Circuit Repair Information
- Laws And Regulations
- Refrigerant Circuit
- A/C System Repair Information
- Refrigerant Circuit, Converting R12 To R134A
- A/C Service Station, Using
- Notes
- A/C Service Station, Important Usage Information
- A/C Service Station, Connecting For Measuring And Testing
- Refrigerant Circuit, Discharging With A/C Service Station
- Refrigerant Circuit, Evacuating With A/C Service Station
- Refrigerant Circuit, Charging With A/C Service Station
- A/C System, Operating After Charging
- Refrigerant, Transferring To A/C Service Station Storage Canister (Charging Cylinder Or Storage Cylinder)
- A/C Service Station, Draining
- Refrigerant Circuit, Cleaning With Compressed Air And Nitrogen
- Safety Precautions
- Glossary