GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Lucerne 🢒 Preface 🢒 Cautions and Notices 🢒 Plastic Collar Quick Connect Fitting Service

Removal Procedure

    Caution: Refer to Gasoline/Gasoline Vapors Caution in the Preface section.


    Object Number: 1555942 Size: SH

    Important: There are several types of plastic collar fuel and EVAP quick connect fittings that may be used on this vehicle.

       • Bartholomew (1)
       • Q release (2)
       • Squeeze to release (3)
       • Sliding retainer (4)
       • Push down TI (5)
    The following instructions apply to all of these types of fittings except where indicated.

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .

    2. Object Number: 760505 Size: SH

    Caution: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.

  2. Using compressed air, blow any dirt out of the quick connect fitting.

    3. Object Number: 12777 Size: SH
  3. This step applies to the Bartholomew style connectors ONLY. Squeeze the plastic quick connect fitting release tabs.

    4. Object Number: 1205667 Size: SH
  4. This step applies to the Q release type connectors ONLY. Release the fitting by pushing the tab toward the other side of the slot in the fitting.

    5. Object Number: 1205675 Size: SH
  5. This step applies to the Squeeze to release style connectors ONLY. Squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick connect fitting.

    6. Object Number: 1306341 Size: SH
  6. This step also applies to the Squeeze to release style connectors ONLY. Squeeze where indicated by the arrows on both sides of the plastic ring surrounding the quick connect fitting.

    7. Object Number: 1205683 Size: SH
  7. This step applies to the Sliding retainer style connectors ONLY. Release the fitting by pressing on one side of the release tab causing it to push in slightly. If the tab does not move, try pressing the tab in from the opposite side. the tab will only move in one direction.

    8. Object Number: 1555944 Size: SH
  8. This step applies to the Push down TI style connectors ONLY. Release the fitting by pressing on the tabs indicated by the arrow.

    9. Object Number: 12778 Size: SH
  9. Pull the connection apart.
  10. Wipe off the male pipe end using a clean shop towel.
  11. Inspect both ends of the fitting for dirt and burrs.
  12. Clean or replace the components as required.

Installation Procedure

    Object Number: 155425 Size: SH
  1. If servicing the fuel and/or EVAP quick connect fittings perform the following steps. If servicing the AIR pipe/hose quick connect fitting proceed to step 5.
  2. Apply a few drops of clean engine oil to the male connection end.

    3. Object Number: 155771 Size: SH
  3. Push both sides of the quick connect fitting together in order to cause the retaining feature to snap into place.

    4. Object Number: 155399 Size: SH
  4. Once installed, pull on both sides of the quick connect fitting in order to make sure the connection is secure.

    5. Object Number: 1676940 Size: SH
  5. Push the quick connect fitting on until an audible click is hear, once installed, gently pull on the quick connect fitting in order to make sure the connection is secure.