GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 34730 Fuel Pressure Gauge

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: 21196  Size: SH
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  2. Raise the vehicle.

  3. Object Number: 21193  Size: SH
  4. Remove the quick-connect fitting at the fuel feed line (2). Refer to Plastic Collar Quick Connect Fitting Service .
  5. Remove the threaded connection (5) at in-line fuel filter (1).
  6. Inspect the fuel lines, O-rings for cuts, swelling, cracks, and distortion. Replace the lines as required.
  7. Inspect the fuel return line (3).
  8. Inspect the fuel vent pipe (4).
  9. Drain any remaining fuel into an approved gasoline container.

Installation Procedure


    Object Number: 49511  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: 21193  Size: SH
  4. Install the quick-connect fitting (2) at the inlet of the in-line fuel filter. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Notice: Always re-attach the fuel lines and fuel filter with all original type fasteners and hardware.

    Do not repair sections of fuel pipes.

  6. Install the threaded fitting (5) at the in-line fuel filter (1).
  7. Tighten
    Tighten the in-line fuel filter outlet nut to 30 N·m (22 lb ft).


    Object Number: 180188  Size: SH
  8. Lower the vehicle.
  9. Tighten the fuel tank filler pipe cap.
  10. Install the negative battery cable. Refer to 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.