GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tool Required

J 34730-1A Fuel Pressure Gauge


    Object Number: 155410  Size: SH
  1. Relieve the fuel system pressure before servicing any fuel system connection. 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. Object Number: 12777  Size: SH
  5. Squeeze the plastic retainer release tabs.

  6. Object Number: 12778  Size: SH
  7. Pull the 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 fuel pipe end.

  2. Object Number: 21855  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: 155399  Size: SH
  5. Once installed, pull on both sides of the quick-connect fitting in order to make sure the connection is secure.