GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 155410  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 or debris from around the fittings.

  4. Object Number: 12777  Size: SH
  5. Squeeze the plastic quick connect fitting release tabs together.

  6. Object Number: 12778  Size: SH
  7. Pull the quick connect fitting connection apart.

Installation Procedure


    Object Number: 155425  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 connection end.

  2. Object Number: 21855  Size: SH
  3. Push both sides of the quick-connect fitting together in order to cause the retaining tabs to snap into place.

  4. Object Number: 155399  Size: SH
  5. Once installed, pull on both sides of the quick-connect fittings in order to make sure the connection is secure.