Skylark V6-3100 3.1L VIN M SFI (1996)
Fuel Return Line: Service and Repair
REMOVE OR DISCONNECT
1. Relieve fuel system pressure.
2. Remove the quickconnect fittings at engine compartment fuel feed and return connecting lines.
3. Plug fuel lines.
4. Raise vehicle.
5. Remove the quickconnect fittings at fuel sender and nylon fuel feed and return connecting lines.
6. Plug fuel lines to prevent leakage.
7. Remove the fuel pipe mounting hardware from pipes.
CAUTION: If it is necessary to remove rust or burrs from a fuel pipe, use emery cloth in a radial motion with the pipe end in order to prevent
damage to the O-Ring sealing surface.
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Using a clean shop towel, wipe off the male pipe end.
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Inspect both ends of the fitting for dirt and burrs. Clean or replace components as required.
8. Remove the fuel pipes to be serviced.
9. In the repairable areas, cut a piece of fuel hose 100 mm (4") longer than portion of the line removed. If more than a 152 mm (6") length of pipe is
removed, use a combination of steel pipe and hose so that hose lengths will not be more than 254 mm (10 in.), including hose overlap on fuel line.
INSTALL OR CONNECT
1. Position fuel pipe or line in body clips.
2. Install the fuel pipe and hose hardware.
3. Remove caps on lines.
4. Install the quick-connect fittings on fuel lines.
5. Lower vehicle.
6. Remove caps covering fuel lines if required.
7. Install the engine compartment fuel line quick-connect fittings.
8. Install the fuel filler cap.
9. Install the negative battery cable.
10. Inspect for fuel leaks through the following steps:
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Turn the ignition switch to the ON position for two seconds.
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Turn the ignition switch to the OFF position for ten seconds.
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Turn the ignition switch to the ON position.
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Check for fuel leaks.
