Coupling Allocation
WARNING: This page is about a different car, the 2016 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The connectors for fuel, vacuum and ventilation lines are marked with colors. There is either a colored dot on the connector or the release button is the corresponding color. Refer to CONNECTOR COUPLINGS, SEPARATING .
Color Coding
| Connector | Color Marking on the Connector Coupling |
|---|---|
| Fuel supply | Black |
| Fuel Return Line | Blue |
| Ventilation | White Beige |
| Vacuum | Green |
WARNING:
Fuel lines are under pressure.
Danger of personal injury to eyes and skin.
Wear protective eyewear and protective clothing in order to avoid injury and contact with the skin. Wrap a cloth around the connection before loosening hose connections. Open the connection carefully and release the pressure.