TrailBlazer 4WD L6-4.2L (2007)
Notice: Refer to Fastener Notice.
4. Apply a 5 mm (0.2 in) band of threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to the threads of the fuel rail bolts (2).
Install the fuel rail attaching bolts (2).
Tighten the bolts to 10 N.m (89 lb in).
5. Install the fuel injector harness in-line connector (3) to the rocker cover.
6. Connect the fuel injector harness in-line connector (3) to the engine wire harness.
7. Connect the fuel feed pipe (3) to the fuel rail (2).
8. Connect the fuel injector electrical connectors.
9. Install the intake manifold.
10. Connect the negative battery cable.
11. Inspect for leaks.
1. Turn ON the ignition, with the engine OFF for 2 seconds.
2. Turn OFF the ignition for 10 seconds.
3. Turn ON the ignition, with the engine OFF.
4. Inspect for fuel leaks.