Silverado 1500 4WD V8-6.0L Hybrid (2009)
1. Lubricate a NEW fuel pressure sensor O-ring seal with clean engine oil.
2. Install the NEW fuel pressure sensor O-ring seal onto the fuel line fitting.
3. Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
4. Install the fuel pressure sensor to the fuel line and tighten the sensor to 15 Nm (11 lb ft) .
5. Connect the chassis wiring harness electrical connector (1) to the fuel pressure sensor.
6. Lower the vehicle.
7. Use the following procedure in order to inspect for leaks:
1. Turn the ignition ON, with the engine OFF, for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.
