GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • 7370 Fuel Line Quick Connect Separator
    • 7371 Fuel Line Quick Connect Separator
    • J 37088-A Fuel Line Quick Connect Separator

Removal Procedure


    Object Number: 1949905  Size: SH
  1. Before you service any fuel system connection, relieve the fuel system pressure Refer to the Fuel Pressure Relief.
  2. Slide the dust cover from the quick-connect fitting if fitted.
  3. Disconnect the fuel hose clip verifier from the quick connect fitting.
  4. Warning: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.

  5. Use compressed air in order to blow any dirt from the fitting.

  6. Object Number: 1949906  Size: SH
  7. Choose the correct tool (1) for the size of the fitting from J 37088-A , 7370 or 7371 . Insert the selected tool into the male connector (3), then push inward in order to release the locking tabs.
  8. Pull the female connector (2) away from the male connector.
  9. Remove the J 37088-A , 7370 or 7371 from the male connector.
  10. Caution: If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs. Clean or replace the components and assemblies as required.

  11. Using a clean shop towel, wipe off the male pipe end.
  12. Inspect both ends of the fitting for dirt and for burrs. Clean or replace the components as required.

Installation Procedure


    Object Number: 1949909  Size: SH

    Warning: 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. Push both sides of the fitting together in order to cause the retaining tabs to snap into place.

  3. Object Number: 1949907  Size: SH
  4. Pull and push repeatedly on both sides (1 and 2) of the fitting to make sure the connection is secure.
  5. Connect the fuel hose clip verifier from the quick connect fitting.

  6. Object Number: 1949908  Size: SH
  7. Reposition the dust cover over the quick-connect fitting if fitted.