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Home >> Mazda >> 2004 >> 6 i, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Pump Unit Removal/Installation >> Plastic Fuel Hose Installation Note

Plastic Fuel Hose Installation Note

NOTE:
  • A checker tab is integrated with quick release connector for new plastic fuel hoses. The checker tab will be released from the quick release connector after it is completely engaged with the fuel pipe.
  1. Inspect the fuel pump unit sealing surface for damage and deformation, and replace if necessary.
    • If the quick release connector O-ring is damaged, replace the plastic fuel hose.
    Fig 1: Removing Checker Tab From Quick Release Connector
    G01024563Courtesy of MAZDA MOTORS CORP.
  2. Slightly apply clean engine oil to the sealing surface of the fuel pump unit.
  3. Align the fuel pipe on the fuel pump unit and quick release connector so that the tabs of the retainer are correctly fitted into the quick release connector. Push the quick release connector straight into the retainer until a click is heard.
  4. Lightly pull and push the quick release connector a few times by hand and verify that it can move 2.0-3.0 mm {0.08-0.11 in}  and it is connected securely.
    • If the quick release connector does not move at all, verify that O-ring is not damaged and slipped, and reconnect the quick release connector.
    Fig 2: Aligning Fuel Pipe On Fuel Pump Unit & Quick Release Connector
    G01024564Courtesy of MAZDA MOTORS CORP.