Express 1 Ton Van V8-5.7L VIN R (1999)
Fuel Supply Line: Service and Repair
Fuel Hose/Pipes Assembly Replacement (Fuel Pipes)
REMOVAL PROCEDURE
NOTE:
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Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
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Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
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Replace the vapor pipes with original equipment or parts that meet GM specifications.
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Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the
word Fluoroelastomer or GM 6163M on the hose.
CAUTION: 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 fittings (1) at the engine compartment fuel feed and return pipes.
4. Disconnect the fuel pipe attaching hardware (2).
5. Disconnect the fuel feed and return pipe quick connects at the fuel filter and the fuel return pipe.
