GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 12775  Size: SH
  1. Grasp both sides of the quick-connect fitting. Twist the female connector 1/4 turn in each direction in order to loosen any dirt within the quick-connect fitting.

  2. Object Number: 12776  Size: SH

    Caution: Wear safety glasses when using compressed air in order to prevent eye injury.

  3. Use compressed air in order to blow any dirt out of the quick-connect fitting.

  4. Object Number: 12777  Size: SH
  5. Release the locking tabs by squeezing the tabs with the thumb and index finger.
  6. Insert the tool into the female connector, then push inward to release the locking tabs.

  7. Object Number: 12778  Size: SH
  8. Pull the connection apart.
  9. Notice: Use an emery cloth in order to remove rust or burrs from the fuel pipe. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface.

  10. Use a clean shop towel in order to wipe off the male fuel pipe end.
  11. Inspect both ends of the quick-connect fitting for dirt and burrs.
  12. Clean or replace the components/assemblies as required.

Installation Procedure


    Object Number: 12784  Size: SH

    Caution: In order to reduce the risk of fire and personal injury, before connecting fuel pipe fittings, always apply a few drops of clean engine oil to the male pipe ends.

    This will ensure proper reconnection and prevent a possible fuel leak.

    During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.

  1. Apply a few drops of clean engine oil to the male fuel pipe end.

  2. Object Number: 12786  Size: SH
  3. Push both sides of the quick-connect fitting together in order to cause the retaining tabs/fingers to snap into place.

  4. Object Number: 12787  Size: SH
  5. Once installed, pull on both sides of the quick-connect fitting in order ensure that the connection is secure.