CTS V8-5.7L VIN P (2004)
3. Lubricate the new lower injector O-ring seals with clean engine oil.
4. Install the new O-ring seals on the spray tip end of each injector.
CAUTION: The fuel rail stop bracket must be installed onto the engine assembly. The stop bracket serves as a protective shield for the fuel
rail in the event of a vehicle frontal crash. If the fuel rail stop bracket is not installed and the vehicle is involved in a frontal crash, fuel could
be sprayed possibly causing a fire and personal injury from burns.
5. Install the fuel rail assembly to the intake manifold.
6. Apply a 5 mm (0.02 in) band of GM P/N 12345382 (Canadian P/N 10953489) threadlock or equivalent to the threads of the fuel rail bolts.
NOTE: Refer to Fastener Notice in Service Precautions.
7. Install the fuel rail attaching bolts.
Tighten
Tighten the fuel rail attaching bolts to 10 N.m (89 lb in).
8. Install the fuel injector wire harness retainers to the fuel rail.
9. Connect the injector electrical connectors.
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Install each connector on the proper injector in order to ensure the correct sequential injector firing order.
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Rotate the injectors as required in order to avoid stretching the injector wiring harness.