Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Fuel Return Line: Service and Repair
Fuel Delivery, Return and Evaporation lines
REMOVAL
1. Set the vehicle on a lift.
2. Release the fuel pressure.
3. Open the fuel filler flap lid and remove the fuel filler cap.
4. Remove the floor mat.
5. Disconnect the fuel delivery pipes and hoses, and disconnect the fuel return pipes and hoses, evaporation pipes and hoses.
6. In engine compartment, detach the fuel delivery hoses, return hoses and evaporation hose.
1. Separate the quick connectors of fuel delivery line and return line by pushing the ST to the direction of arrow.
ST 42099AE000 CONNECTOR REMOVER
2. Remove the clip, and separate the evaporation hose from pipe.
WARNING:
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Be careful not to spill fuel.
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Catch the fuel from hoses using a container or cloth.
7. Lift-up the vehicle.
8. Disconnect the quick connector on the fuel delivery line.