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


    Object Number: 12776  Size: SH
  3. Use compressed air in order to blow any dirt out of the quick-connect fitting.

  4. Object Number: 12777  Size: SH
  5. Choose the correct tool from the J 37088-A tool set for the correct size of the fitting.
  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

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.


    Object Number: 12784  Size: SH
  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.