Fuel Injector - Removal
3.5L
WARNING: The fuel system is under a constant pressure (even with the engine off). Before servicing any part on the fuel system, the fuel system pressure must be released.
1. Release fuel pressure, Service and Repair.
2. Disconnect and isolate negative battery cable at battery.
3. Remove the upper intake manifold, Intake Manifold - Removal.
4. Disconnect the quick connect fuel line from the fuel rail.
NOTE: Mark fuel injector electrical harness connectors with correct corresponding cylinder numbers.
5. Disconnect all fuel injector electrical connectors (1) from fuel injectors (2).
6. Remove fuel rail mounting bolts from fuel rail and lower intake manifold.
NOTE: Gently rock the fuel rail and injectors back and forth to loosen the seals on the fuel injectors from the cylinder heads.
CAUTION: Do Not use excessive force or prying tools to remove fuel rail and injectors. Damage to the fuel rail and injectors may result.
7. Lift fuel rail straight up off of the cylinder heads.
8. Drain any excess fuel from the fuel rail into an approved fuel storage container.
NOTE: When replacing individual fuel injectors, each fuel injector must be installed to it's original position. Mark or tag each fuel injector to identify the correct cylinder.
9. Remove retaining clips (5) from fuel injectors (2) at fuel rail (4).