Contents: Removal ↓ Installation ↓
Fuel line and injectors of the 1.8-I engine
- 1 - fuel line;
- 2 - spring clamp;
- 3 - O-ring. If there is any damage, a new O-ring must be used. Before installation, lubricate the O-ring with clean engine oil;
- 4 - fuel pressure regulator;
- 5 - vacuum hose;
- 6 - bolt, 10 Nm;
- 7 - connection to the return fuel line;
- 8 - connection to the fuel supply line;
- 9 - bracket;
- 10 - fuel injector
Removal
1. Disconnect the vacuum hose and electrical connectors from the intake manifold changeover valve. Remove the spark plug caps.
2. Using a socket wrench, unscrew the top of the intake manifold (the mounting bolts are indicated by arrows).
3. Disconnect the vacuum hose from the fuel pressure regulator.
4. Unscrew the fuel supply hose from the fuel line (the place of their connection is shown by the arrow), while doing this, collect any spilled fuel with a rag.
5. Disconnect the electrical connectors from the fuel injectors.
6. Unscrew the fuel line mounting bolts (indicated by arrows) and remove the fuel line together with the injectors from the intake manifold.
7. Remove the retaining clips securing the injectors to the fuel rail and remove the fuel injectors. Mark the location of the injectors so that they can be reinstalled.
Installation
1. Replace the O-rings on the fuel injectors.
2. Lubricate the fuel injector O-rings with clean engine oil.
3. Install the injectors into the fuel line and secure them with spring clips.
4. Install the fuel line together with the injectors onto the intake manifold and press it down.
5. Secure the fuel line with bolts, tightening them to a torque of 10 Nm.
6. Connect the electrical connectors to the fuel injectors.
7. Connect the fuel supply hose to the fuel line.
8. Install and secure the upper intake manifold with a new gasket.
9. Connect the vacuum hose to the fuel pressure regulator.
10. Connect the vacuum hose and electrical connectors to the intake manifold changeover valve.
11. Install the high-tension wire tips onto the spark plugs.
(The original can be seen on the portal: VWMANUAL.ru)
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