RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
5. If equipped with air conditioning, remove the A-shaped A/C compressor-to-intake manifold support bracket (three bolts) (Fig. 22).
Fig. 19 Remove/Install Injector Connector
6. Disconnect electrical connectors at all fuel injectors. To remove connector refer to (Fig. 19). Push red colored slider away from injector (1). While
pushing slider, depress tab (2) and remove connector (3) from injector. The factory fuel injection wiring harness is numerically tagged (INJ 1, INJ
2, etc.) for injector position identification. If harness is not tagged, note wiring location before removal.
7. Disconnect fuel tube (line) at side of fuel rail. Refer to Quick-Connect Fittings for procedures,
8. Remove the remaining fuel rail mounting bolts.
9. Gently rock and pull the left fuel rail until the fuel injectors just start to clear the intake manifold. Gently rock and pull the right fuel rail until the
fuel injectors just start to clear the intake manifold. Repeat this procedure (left/right) until all fuel injectors have cleared the intake manifold.
10. Remove fuel rail (with injectors attached) from engine.
INSTALLATION
1. If fuel injectors are to be installed, refer to Fuel Injector Removal/Installation.
2. Apply a small amount of engine oil to each fuel injector O-ring. This will help in fuel rail installation.
3. Clean out fuel injector machined bores in intake manifold.
4. Position the fuel rail/fuel injector assembly to the injector openings on the intake manifold.
5. Guide each injector into the intake manifold. Be careful not to tear the injector O-ring.
6. Push the right fuel rail down until fuel injectors have bottomed on injector shoulder. Push the left fuel rail down until fuel injectors have bottomed
on injector shoulder.
7. Install fuel rail mounting bolts.
8. Connect electrical connector to intake manifold air temperature sensor.
9. Connect electrical connectors at all fuel injectors. To install connector, refer to (Fig. 19). Push connector onto injector (1) and then push and lock
red colored slider (2). Verify connector is locked to injector by lightly tugging on connector.
10. Install the A/C support bracket (if equipped).
11. Install throttle body to intake manifold. Refer to Throttle Body Removal/Installation.
12. Install fuel tube (line) at side of fuel rail. Refer to Quick-Connect Fittings for procedures.
13. Install air cleaner.
14. Connect battery cable to battery.
15. Start engine and check for leaks.