Fuel Supply Line: Service and Repair
REMOVAL PROCEDURECAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Disconnect the fuel lines at rear of the intake manifold.
4. Remove the nuts
5. Remove the retainer
6. Disconnect the injector fuel inlet pipe and the outlet pipe.
7. Remove the rear fuel line bracket.
8. Pull straight up on fuel pipe to remove fuel pipes from injector assembly.
IMPORTANT: Check the injector assembly to insure the O-rings have been removed.
9. Remove the O-ring seals from both ends of the fuel feed and return pipes and discard.
INSTALLATION PROCEDURE
CAUTION: In order to reduce the risk Of fire and personal Injury, before connecting fuel pipe fittings, always apply a few drops of clean engine oil to the male pipe ends.
This will ensure proper reconnection and prevent a possible fuel leak.
During normal operation, the O-rings located In the female connector will swell and may prevent proper reconnection If not lubricated.
IMPORTANT: Remember to install the new O-rings into the inlet and outlet of the fuel injector assembly, using the seal retainer tool.
1. Apply a few drops of clean engine oil to the male tube ends.
2. Connect the fuel feed and return pipes to fuel assembly.
3. Install the fuel pipe retainer and attaching nuts. Once installed, pull on both ends of each connection to ensure the connections are secure.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the rear fuel pipe clip retaining bolt.
Tighten
^ Tighten the rear fuel line bracket bolt to 6 N.m (53 lb in).
^ Tighten the fuel pipe retainer nuts to 3 N.m (27 lb in).
5. Install the new O-ring seals on the engine fuel feed and return pipes.
NOTE: Refer to Fastener Notice in Service Precautions.
6. Connect the fuel feed and return lines to the engine fuel pipes.
Tighten
Tighten the nuts to 30 N.m (22 lb ft).
7. Tighten the fuel filler cap.
8. Connect the negative battery cable.
9. Check for fuel leaks:
9.1. Turn the ignition switch to the ON position for 2 seconds.
9.2. Turn the ignition switch to the OFF position for 10 seconds.
9.3. Again, turn the ignition switch to the ON position.
9.4. Check for fuel leaks.