Overview - Refrigerant Lines, RS 3

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of AUDI OF AMERICA, LLC

Bracket
Refrigerant Line - High Pressure Side
- From the connection point to the inner heat exchanger
- Removing and installing from inner heat exchanger. Refer to REFRIGERANT LINES WITH INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Refrigerant Circuit Pressure Sensor -G805-
- 8 Nm
- Removing and Installing. Refer to Refrigerant Circuit Pressure Sensor -G805-, REMOVING AND INSTALLING .
High-Pressure Side Service Valve
- Evacuating and charging valve: 2.4 Nm
- There are different versions depending on the refrigerant. Refer to the Parts Information.
- Removing and Installing. Refer to EVACUATING AND CHARGING VALVE, REMOVING AND INSTALLING, LOW AND HIGH PRESSURE SIDE .
Valve Cap
Double Clamp
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
O-Rings
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Refrigerant Line with Inner Heat Exchanger
- To the expansion valve
- Removing and Installing. Refer to REFRIGERANT LINES WITH INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
Bolt
- 8 Nm
Nut
- 8 Nm
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Valve Cap
Low-Pressure Side Service Valve
- Evacuating and charging valve: 2.4 Nm
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to EVACUATING AND CHARGING VALVE, REMOVING AND INSTALLING, LOW AND HIGH PRESSURE SIDE .
Low Pressure Side Refrigerant Line
- From the inner heat exchanger to the A/C compressor
- Removing and installing from the A/C compressor. Refer to REFRIGERANT LINES, REMOVING AND INSTALLING TO A/C COMPRESSOR .
- Removing and installing from inner heat exchanger. Refer to REFRIGERANT LINES WITH INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
Bolt
- 22 Nm
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Bolt
- 22 Nm
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Bolt
- 8 Nm
Low Pressure Side Refrigerant Line
- From the connection point to the condenser
- Removing and installing from the condenser. Refer to REFRIGERANT LINES, DISCONNECTING AND CONNECTING FROM CONDENSER .
Bolt
- 8 Nm
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Bolt
- 8 Nm
High Pressure Side Refrigerant Line
- From the A/C compressor to the connection point
- Removing and installing from the A/C compressor. Refer to REFRIGERANT LINES, REMOVING AND INSTALLING TO A/C COMPRESSOR .
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing
Bolt
- 8 Nm
Refrigerant Line - High Pressure Side
- From the condenser to the connection point
- Removing and installing from the condenser. Refer to REFRIGERANT LINES, DISCONNECTING AND CONNECTING FROM CONDENSER .
Bolt
- 8 Nm
O-Ring
- Replacing. Refer to SEALS AND GASKETS .
- Lubricate lightly with refrigerant oil before installing