LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2017 >> Encore Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 1.4L (LUV) - Repair Instructions >> Repair Instructions >> Plastic Collar Quick Connect Fitting Service >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

NOTE:

If servicing a fuel system, insure the fuel pressure has been relieved.

Fig 1: Plastic Collar Quick Connect Fitting Service
GM2005276Courtesy of GENERAL MOTORS COMPANY
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)
  • Global Connect (5)
  • TI Loc (6)
  • Safe Lock (7)
  • Plastic Connector (8)

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

    Fig 2: Blowing Dirt Out Of Fitting (Plastic Collar)
    GM155410Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Always apply a few drops of clean engine oil to the male pipe ends before connecting the fuel pipe fittings. This will ensure proper reconnection and prevent a possible fuel leak. Always replace O-rings.

  1. Using compressed air, blow any dirt out of the quick-connect fitting.
  2. Fig 3: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS COMPANY
  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 COMPANY
  5. This step applies to Q Release style connectors ONLY. Release the fitting by Pushing the tab toward the other side of the slot in the fitting.
  6. Fig 5: Disengaging Quick Connect Fitting (Plastic Collar)
    GM1205675Courtesy of GENERAL MOTORS COMPANY
  7. 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.
  8. Fig 6: Pushing In Male Side Of Connector
    GM1699700Courtesy of GENERAL MOTORS COMPANY
  9. This step applies to Squeeze to Release style connectors ONLY. Push in the male side slightly in order to slide the retainer away from the retainers, squeeze where indicated by arrows on both sides of the plastic ring surrounding the quick-connect fitting.
  10. Fig 7: Variants Of Sliding Retainer Style Connectors
    GM4275507Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    There are two variants of sliding retainer style connectors shown above, both have the same release and installation procedure.

  11. 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 doesn't move try pressing the tab in from the opposite side. The tab will only move in one direction.
  12. Fig 8: Global Connector Style
    GM2005284Courtesy of GENERAL MOTORS COMPANY
  13. This step applies to the Global Connector style only. Push the connector toward the tube in order to release the pressure. Press and hold down the release mechanism, and pull the connector straight out.
  14. Fig 9: TI Loc style
    GM2005895Courtesy of GENERAL MOTORS COMPANY
  15. This step applies to the TI Loc style only. Push the connector toward the tube in order to release the pressure. Release the redundant latch (1) with two fingers or a flat bladed tool. Then press and hold down the bottom release mechanism (2) and pull the connector straight out.
  16. Fig 10: Safe Lock Style
    GM2264193Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Refer to Relieving Fuel Pressure Warning .

  17. This step applies to the Safe Lock style only. Push the connector toward the tube in order to release the pressure. Release the second latch (1) with two fingers. Then press and hold down the bottom release mechanism (2) and pull the connector straight out.
  18. Fig 11: Latch And Connector Straight Out
    GM2714207Courtesy of GENERAL MOTORS COMPANY
  19. This step applies to the Plastic Connector style 8, push the connector toward the tube in order to release the pressure. Press the latch (1) inward in order to release the pipe, while pulling the connector (2) straight out.
  20. Using a clean shop towel, wipe off the male pipe end.
  21. Inspect both ends of the fitting for dirt and burrs.
  22. Clean or replace components as necessary.