Fuel Hose/Pipes Replacement - Engine Compartment

Fuel Hose/Pipes Replacement - Engine Compartment

Tools Required
* J 34730-1A Fuel Pressure Gage
* J 37088-A Fuel Line Disconnect Tool Set

Removal Procedure






Caution: Refer to Battery Disconnect Caution.

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.

Disconnect the negative battery cable.

1. Remove the fuel injector sight shield.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) Fuel Pressure Relief (Without CH 48027).




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

Installation Procedure




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).
3. Connect the fuel feed hose (2) to the fuel rail (1).




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

1. Turn the ignition switch ON for 2 seconds.
2. Turn the ignition switch OFF for 10 seconds.
3. Turn the ignition switch ON.
4. Inspect for fuel leaks.

7. Install the fuel injector sight shield.
8. Program the transmitters. Refer to Transmitter Programming (Domestic and Japan) Transmitter Programming (Export Including Canada).