GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 12777  Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Caution: Wear safety glasses when using compressed air in order to prevent eye injury.

  3. Using compressed air, blow any dirt out of the quick-connect fitting.
  4. Squeeze the plastic retainer release tabs.

  5. Object Number: 12778  Size: SH
  6. Pull the connection apart.

Installation Procedure

Caution: Always apply a few drops of clean engine oil to the male pipe ends before connecting the fuel pipe fittings in order to reduce the risk of fire and personal injury. 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: 21855  Size: SH
  1. Apply a few drops of clean engine oil to the male fuel pipe end.
  2. Push both sides of the quick-connect fitting together in order to cause the retaining tabs/fingers to snap into place.
  3. Once installed, pull on both sides of the quick-connect fitting in order to ensure the connection is secure.