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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Controls - 3.9L - Introduction (2 Of 2)) >> Repair Instructions >> Plastic Collar Quick Connect Fitting Service >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: 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)

    The following instructions apply to all of these types of plastic collar quick connect fittings except where indicated.

    Fig 1: Identifying Plastic Collar Fuel & Evaporative Emission Quick Connect Fittings
    GM1210508Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure before servicing any fuel system connection. Refer to Fuel Pressure Relief .
    2. Fig 2: Blowing Dirt Out Of Fitting (Plastic Collar)
    GM155410Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
    NOTE: Refer to FUEL AND EVAPORATIVE EMISSION (EVAP) HOSE/PIPE CONNECTION CLEANING NOTICE in Cautions and Notices.
  2. Using compressed air, blow any dirt out of the quick-connect fitting.
    3. Fig 3: Squeezing Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS CORP.
  3. This step applies to Bartholomew style connectors ONLY. Squeeze the plastic quick connect fitting release tabs.
    4. Fig 4: Releasing Q Release Style Connectors (Plastic Collar)
    GM1205667Courtesy of GENERAL MOTORS CORP.
  4. Fig 5: Disengaging Quick Connect Fitting (Plastic Collar)
    GM1205675Courtesy of GENERAL MOTORS CORP.
  5. This step applies to Squeeze to Release style connectors ONLY. Squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick connect fitting.
    6. Fig 6: View Of Sliding Retainer Style Connector
    GM1205683Courtesy of GENERAL MOTORS CORP.
  6. This step applies to 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.
    7. Fig 7: Pulling Connection Apart (Plastic Collar)
    GM12778Courtesy of GENERAL MOTORS CORP.
  7. Pull the connection apart.
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