Warning! Before performing the operation, read the safety precautions for maintenance and repair of the power system (see "Safety measures for the maintenance and repair of the power system").
Removing
1. Relieve fuel pressure in the fuel line (see "Fuel Line - Pressure Relief").
2. Remove the intake manifold (see "Engine intake manifold 21124 (1,6i 16v) - removal and installation, replacement of sealing rings").
3. Disconnect the wiring harness pads from the injectors (The photo is from the side of the radiator).
4. We cut the two clamps of the wiring harness to the fuel rail and take the harness to the side.
5. Open end wrench by 17 mm Unscrew the fuel line fitting from the rail while holding the hex end of the fuel rail with a wrench of the same size.
6. Using a Phillips screwdriver, unscrew the screw securing the fuel pipe.
7. Remove the end of the fuel line tube from the fuel rail.
Warning! If the fuel pipe O-ring is damaged, it must be replaced.
8. Remove the sealing rubber ring from the fuel line tube.
9. Hex key by 5 mm unscrew the two bolts securing the fuel rail to the cylinder head.
10. Remove the fuel rail assembly with injectors.
Disassembly
11. Remove the nozzle retainer from the fuel rail.
12. We take out the nozzle from the ramp.
13. Similarly, remove the three remaining nozzles.
Assembly and installation
We assemble and install the fuel rail in reverse order.
Before assembly, coat the O-rings with a thin layer of engine oil.
Recommendation. Before installing the ramp, replace the lower rings of the injectors.