GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Tahoe - 2WD 🢒 Engine 🢒 Engine Controls and Fuel - Hybrid (HP2) 6.0L (LFA) 🢒 Plastic Collar Quick Connect Fitting Service

Disconnect Procedure

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


    Object Number: 1555942 Size: SH

    Note: There are several types of Plastic Collar Fuel and Evaporative Emission Quick Connect Fittings 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 Plastic Collar Quick Connect Fittings except where indicated.

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

    2. Warning: Refer to Safety Glasses Warning in the Preface section.

    Caution: Refer to Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution in the Preface section.


    Object Number: 155410 Size: SH
  2. Using compressed air, blow any dirt or debris from around the connection.

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

    4. Object Number: 1205667 Size: SH
  4. This step applies to Release Tab style connector 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 connector ONLY. Squeeze where indicated by the arrows shown above on both sides of the plastic ring surrounding the quick connect fitting.

    6. Object Number: 1205683 Size: SH
  6. This step applies to the Sliding Retainer style connector 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.

    7. Object Number: 1555944 Size: SH
  7. This step applies to the Push Down TI style connector ONLY. Release the fitting by pressing on the tab indicated by the arrow.

    8. Warning: Refer to Relieving Fuel Pressure Warning in the Preface section.


    Object Number: 12778 Size: SH
  8. Pull the connection apart.

Connect Procedure

    Warning: Refer to Fuel Pipe Fitting Warning in the Preface section.


    Object Number: 155425 Size: SH
  1. Apply a few drops of clean engine oil to the male connection end.

    2. Object Number: 21855 Size: SH
  2. Push both sides of the quick-connect fitting together in order to cause the retaining feature to snap into place.

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