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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Controls And Fuel - 2.7L (L3B) - Repair Instructions) >> Repair Instructions >> Metal Collar Quick Connect Fitting Service >> Disconnect Procedure

Disconnect Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. GM5046745

    Remove the fuel line retainer (1).

  3. GM5046751
    WARNING:

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

    Using compressed air, blow any dirt or debris from around the connection (1).

  4. GM5046746

    Using the correct tool from the CH-41769  Fuel Line Quick Disconnect Tool (1), insert the tool into the female connector end (2), then push inward to release the quick connect locking tabs.

  5. GM5046747

    Pull the fuel line connection (1) apart.

  6. CAUTION:

    If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs. Clean or replace the components and assemblies as required.

  7. Use a clean shop towel in order to wipe off the male connection end.
  8. Inspect both ends of the fitting for dirt and burrs. Clean or replace the components as required.