Tools Required

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

Notice: 

•	Do not repair the fuel feed or return pipes.

•	Replace the fuel feed and return pipes with original equipment or with parts that meet the GM specifications for those parts. The replacement pipe must have the same type of fittings as the original pipe in order to ensure the integrity of the connection.

1. Disconnect the negative battery cable.
2. Remove the left fuel rail cover.
3. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .



4. Disconnect the quick-connect fitting at the fuel rail (1). Refer to Metal Collar Quick Connect Fitting Service .
5. Disconnect the quick-connect fitting at the chassis fuel pipe (3). Refer to Metal Collar Quick Connect Fitting Service .
6. Remove the fuel feed hose (2).
7. Cap the chassis fuel pipe and the fuel rail pipe in order to prevent possible fuel system contamination.
8. Inspect the hose for bends, for kinks, for chafing, and for cracks. Replace the hose as required.

1. Remove the caps from the chassis fuel pipe and the fuel rail pipe.
2. Connect the fuel feed hose (2) to the chassis fuel pipe (3). Refer to Metal Collar Quick Connect Fitting Service .
3. Connect the fuel feed hose (2) to the fuel rail (1). Refer to Metal Collar Quick Connect Fitting Service .



4. Tighten the fuel filler cap.
5. Connect the negative battery cable.
6. Perform the following procedure in order to inspect for leaks:

6.1.	Turn the ignition switch ON for 2 seconds.

6.2.	Turn the ignition switch OFF for 10 seconds.

6.3.	Turn the ignition switch ON.

6.4.	Inspect for fuel leaks.

7. Install the left fuel rail cover.
8. Program the transmitters. Refer to Transmitter Programming in Keyless Entry.