Contents: Removal procedure ↧ Installation procedure ↧
Removal procedure
1. Disconnect the negative battery cable.
2. Relieve pressure in the fuel supply system. See "Relieving pressure in the fuel supply system" in this section.
3. Remove the upper intake manifold assembly. See Part 1C2, "Engine Mechanical - HFV6 3.2L".
4. Disconnect the fuel line from the fuel rail.
Caution: Clean the area around the fuel injectors where they enter the lower intake manifold.
5. Remove screw (1), three positions, securing fuel rail to lower intake manifold.
Caution! It is necessary to ensure that when removing the fuel rail with injectors in assembly, the spray tips of the injectors and the contacts of the electrical wiring harness connector are not damaged. After removal, it is necessary to lay the fuel rail with injectors in assembly on the support.
6. Slide the lock (1) of the fuel injector wiring connector upward in the direction of the arrow.
7. Disconnect the connector from the fuel injector.
8. Slide the lock (1) of the fuel injector wiring connector upward in the direction of the arrow.
9. Disconnect the connector from the fuel injector.
10. Using a flat-blade screwdriver, remove the fuel injector retaining clip (1) from the fuel injector (2). Discard the retaining clip.
11. Remove the fuel injector (1) from the fuel rail.
12. Remove and discard the fuel injector seals (2).
Installation procedure
1. Install new fuel injector seals and lubricate with clean engine oil.
2. Install the fuel injector (2) onto the fuel rail.
3. Install a new fuel injector mounting bracket (1).
4. Connect the fuel injector connector.
5. Carefully install the fuel rail with injectors as an assembly.
Caution: Before tightening the mounting screws, ensure that the fuel injectors are correctly inserted into the lower intake manifold and that the fuel rail mounting brackets are correctly positioned.
6. Install the screws (1) securing the fuel rail assembly.
Tighten
Tighten the fuel rail assembly mounting bolts to 10 N·m (89 lb-in).
7. Connect the fuel supply hose to the fuel rail.
8. Check the fuel rail and quick-release coupling for leaks.
The original article can be found on the resource CHEVYMAN.ru