GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: There is no service interval for in-line fuel filter replacement. Only replace the in-line fuel filter if it is restricted.


    Object Number: 65393  Size: SH
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  2. Raise the vehicle.
  3. Remove the quick-connect fitting at the fuel feed line (3). Refer to Servicing Quick Connect Fittings .
  4. Remove the threaded connection (2) at in-line fuel filter.
  5. Inspect the fuel lines, O-rings for cuts, swelling, cracks, and distortion. Replace the lines as required.
  6. Important: Inspect the O-ring on fuel filter outlet pipe for cracks or damage. Replace as required.

  7. Inspect the fuel return line (4).
  8. Inspect the fuel vent pipe (1).
  9. Drain any remaining fuel into an approved gasoline container.

Installation Procedure

Notice: Always re-attach the fuel lines and fuel filter with all original type fasteners and hardware.

Do not repair sections of fuel pipes.


    Object Number: 65392  Size: SH
  1. Remove the protective caps from the new in-line fuel filter.
  2. Install the new plastic connector retainers on the in-line fuel filter inlet and outlet.
  3. Install the new plastic connector retainers in the same position as on the old in-line fuel filter.


    Object Number: 65393  Size: SH
  4. Install the quick-connect fitting (3) at the inlet of the in-line fuel filter. Refer to Servicing Quick Connect Fittings .
  5. Important: Make sure that the O-ring is installed on the outlet pipe before installing the pipe

  6. Install the threaded connection (2) at the in-line fuel filter.

  7. Object Number: 49476  Size: SH
  8. Lower the vehicle.
  9. Tighten the fuel tank filler pipe cap.
  10. Install the negative battery cable.
  11. 7.1. Turn the ignition switch ON for 2 seconds.
    7.2. Turn the ignition switch OFF for 10 seconds.
    7.3. Turn the ignition switch ON
    7.4. Check for fuel leaks.