Silverado 1500 4WD V8-6.0L (2010)
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.
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.
