Service Connection Measurements
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.
- Valve insert -A- (there are different versions. Refer to the
Electronic Parts Information (ETKA)).
- Service connection -B- (depending on the refrigerant, there are different versions on the high and low pressure side)
| Service Connection Measurements -B- | Refrigerant R134a Service Connection | Refrigerant R1234yf Service Connection | ||
|---|---|---|---|---|
| High-pressure side | Low-pressure side | High-pressure side | Low-pressure side | |
| Outer diameter -D1- | 16.0 mm | 13.0 mm | 17.0 mm | 14.0 mm |
| Outer diameter -D2- | 14.0 mm | 11.0 mm | 13.0 mm | 12.0 mm |
| Section -L1- | 4.6 mm | 6.15 mm | 9.0 mm | 4.75 mm |
| Section -L2- | 8.16 mm | 9.16 mm | 12.5 mm | 7.2 mm |
| Valve installation position (not actuated) -C- | 6.1 to 7.1 mm | 6.1 to 7.1 mm | 8.3 to 9.3 mm | 8.3 to 9.3 mm |