Fuel Hose/Pipes Replacement - Engine Compartment
FUEL HOSE/PIPES REPLACEMENT - ENGINE COMPARTMENTTOOLS REQUIRED
- J 34730-1A Fuel Pressure Gauge
- J 37088-A Tool Set, Fuel Line Quick-Connect Separator
REMOVAL PROCEDURE
CAUTION: Refer to the Battery Disconnect Caution in Service Precautions.
NOTE:
- 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 Procedure.
4. Disconnect the quick-connect fitting at the fuel rail (1).
5. Disconnect the quick-connect fitting at the chassis fuel pipe (3).
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.
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:
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.