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Home >> Buick >> 2011 >> Lucerne CX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.9L - Repair Instructions >> Repair Instructions >> Plastic Collar Quick Connect Fitting Service >> Removal Procedure

Removal Procedure

NOTE:

There are several types of plastic fuel and evaporative emission (EVAP) quick connect fittings used on this vehicle. The following instructions apply to all types of plastic quick connect fittings except where indicated.

    Fig 1: Blowing Dirt Out Of Fitting (Plastic Collar)
    GM155410Courtesy of GENERAL MOTORS COMPANY
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (CH 48027) , Fuel Pressure Relief (Without CH 48027) .
    2. WARNING:

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

  2. Use compressed air, blow and dirt or debris from around the quick-connect fitting.
    3. Fig 2: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS COMPANY
  3. Squeeze the plastic quick connect fitting release tabs together to disengage the quick connect fitting. (This step applies to Bartholomew style fittings ONLY).
    4. Fig 3: Quick Connect Fitting (Plastic Collar)
    GM1205675Courtesy of GENERAL MOTORS COMPANY
  4. Squeeze where indicated by the arrows on both sides of the plastic ring to disengage the quick connect fitting.
    5. Fig 4: View Of Quick Connect Fitting (Plastic Collar)
    GM1306341Courtesy of GENERAL MOTORS COMPANY
  5. Squeeze where indicated by the arrows on both sides of the plastic ring to disengage the quick connect fitting.
    6. Fig 5: View Of Pulling Connection Apart (Plastic Collar)
    GM12778Courtesy of GENERAL MOTORS COMPANY
  6. Pull the quick connect fitting connection apart.
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