GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1996 🢒 Riviera 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 In-Line Fuel Filter Replacement

Removal Procedure

    Object Number: 13589 Size: SH

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

  1. Relieve the fuel system pressure, refer to the Servicing Quick Connect Fittings 4.0L, Fuel Pressure Relief 3.8L.
  2. Raise the vehicle.
  3. Remove the fuel feed quick-connect fitting (4) at the inlet of the in-pipe fuel filter (3). Refer to Servicing Quick Connect Fittings 4.0L, Servicing Quick Connect Fittings 3.8L.
  4. Remove the threaded fitting at the outlet of the in-pipe fuel filter (3).
  5. Drain any remaining fuel into an approved gasoline container.
  6. Inspect the lines for cuts, swelling, cracks, and distortion. Replace the lines as required.
  7. Inspect the fuel vent pipe (2).
  8. Inspect the fuel return pipe quick connect fitting (1).

Installation Procedure
Object Number: 13589 Size: SH
  1. Remove the protective caps from the new in-pipe fuel filter.
  2. Install the new plastic connector retainer on the in-pipe fuel filter inlet.
  3. Install the new plastic connector retainer in the same position as on the old in-pipe fuel filter.
  4. Slide the in-pipe fuel filter into place.
  5. Install the quick-connect fitting at the inlet (4) of the in-pipe fuel filter (3). Refer to Servicing Quick Connect Fittings 4.0L, Servicing Quick Connect Fittings 3.8L.
  6. Install the threaded fitting at the outlet of the in-pipe fuel filter (3).

    7. Tighten

    • Use a back-up wrench in order to prevent the in-pipe fuel filter from turning.
    • Reposition the fuel vent pipe. (2)
    • Tighten the in-pipe fuel filter outlet nut to 30 N·m (22 lb. ft.).
  7. Lower the vehicle.
  8. Tighten the fuel tank filler pipe cap.
  9. Install the negative battery cable.
  10. Inspect for fuel leaks.
    11. 10.1. Turn the ignition switch to the On position for 2 seconds.
    10.2. Turn the ignition switch to the Off for 10 seconds.
    10.3. Turn the ignition switch to the On position.
    10.4. Check for fuel leaks.