C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Fuel Return Line: Service and Repair
Fuel Hose/Pipes Assembly Replacement
Fuel Hose/Pipes Assembly Replacement
IMPORTANT:Clean all fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system
contamination.
REMOVAL PROCEDURE
1. Remove the fuel tank.
2. Disconnect the fuel feed pipe (4) and return pipe (5) from the sending unit (2).
3. Disconnect the fuel feed pipe (4) and return pipe (5) from the fuel tank clips (6).
4. Cap the fuel pipes in order to prevent possible fuel system contamination.
INSTALLATION PROCEDURE
1. Remove the caps from the fuel pipes.
2. Connect the fuel feed pipe (4) and return pipe (5) to the fuel tank clips (6).
3. Connect the fuel feed pipe (4) and return pipe (5) to the sending unit (2).
4. Install the fuel tank.