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 debris from around the fittings.

  4. Object Number: 12777  Size: SH
  5. Squeeze the plastic retainer tabs together.

  6. Object Number: 12778  Size: SH
  7. Pull the fuel line connection apart.

Installation Procedure


    Object Number: 155425  Size: SH

    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.

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

  2. Object Number: 21855  Size: SH
  3. Push both sides of the fuel line connections together in order to snap the retaining tabs into place.

  4. Object Number: 155399  Size: SH
  5. Once installed, pull on both sides of the fuel line connections to ensure that the connection is secure.