9-7X L6-4.2L (2008)
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/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 Nm (89 in. lbs.).
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). Refer to Metal Collar Quick Connect Fitting Service (See: Fuel Line Coupler/Service and
Repair/Metal Collar Quick Connect Fitting Service).
8. Connect the fuel injector electrical connectors.
9. Install the intake manifold. Refer to Intake Manifold Replacement (See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair
).
10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (See: Starting and Charging/Battery/Battery
Cable/Service and Repair).
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.