GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 157703  Size: SH
  1. Grasp both sides of the quick-connect fitting, and twist the fitting 1/4 turn in each direction in order to loosen any dirt.

  2. Object Number: 155410  Size: SH

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

  3. Use compressed air in order to remove any dirt, dust, or other foreign material form the quick-connect fuel line fitting.

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

  6. Object Number: 12778  Size: SH
  7. Pull the quick connect fuel fitting apart. Use a shop towel in order to catch any remaining fuel that may leak from the fuel line and from the fitting.

Installation Procedure


    Object Number: 233547  Size: SH
  1. Remove any dirt or any burrs from the end of the male fuel pipe.

  2. 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.

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

  4. Object Number: 21855  Size: SH
  5. Insert the male fuel pipe into the quick-connect fitting.
  6. Push both sides of the quick-connect fitting together until the fitting clicks.

  7. Object Number: 155399  Size: SH
  8. Repeatedly pull on both sides of the quick-connect fitting in order to ensure that the connection is secure.