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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1200 (Engine Mechanical) >> Intake Manifold >> Removal and Installation >> Installation >> Connecting Quick Connector of Fuel Tube

Connecting Quick Connector of Fuel Tube

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Install quick connector as follows (the steps are the same for quick connectors on both engine side and vehicle side except for the quick connector cap).

  1. Make sure no foreign substances are deposited in and around tube and quick connector, and they are not damaged.
  2. Thinly apply new engine oil around the fuel tube from tip end to the spool end.
  3. Align center to insert quick connector straight into fuel tube.
    • Insert until the paint mark for engagement identification (white) goes completely inside quick connector so that you cannot see it from the straight side of the connected part. Use a mirror to check this where it is not possible to view directly from the straight side, such as quick connector on vehicle side.
      Fig 1: Inserting Quick Connector Straight Into Fuel Tube, Until The White Paint Mark Is Inside Quick Connector
      G02384400Courtesy of NISSAN MOTOR CO., U.S.A.
    • Insert fuel tube into quick connector until top spool is completely inside quick connector, and 2nd level spool exposes right below quick connector on engine side.
      CAUTION:
      • Hold "A" position in illustration when inserting fuel tube into quick connector.
      • Carefully align center to avoid inclined insertion to prevent damage to O-ring inside quick connector.
      • Insert until you hear a "click" sound and actually feel the engagement.
      • To avoid mis-identification of engagement with a similar sound, be sure to perform the next step.
        Fig 2: Inserting Fuel Tube Into Quick Connector Until Top Spool Is Completely Inside Quick Connector
        G02384401Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Pull quick connector by hand holding "A" position. Make sure it is completely engaged (connected) so that it does not come out from fuel tube.
    NOTE: Recommended pulling force is 50 N (5.1 kg, 11.2 lb).
  5. Install the quick connector cap on the quick connector joint (on engine side only).
  6. Install the fuel hose and tube to hose clamps.
  7. Refill the engine coolant. Refer to "REFILLING ENGINE COOLANT ".
    Fig 3: Identifying Quick Connector, Quick Connector Cap And Fuel Tube
    G02384402Courtesy of NISSAN MOTOR CO., U.S.A.