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 Fuel Pressure Relief .
  2. Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  3. Raise the vehicle.
  4. Remove the quick-connect fitting at the fuel feed pipe (3). Refer to Plastic Collar Quick Connect Fitting Service .
  5. Remove the threaded connection (2) at in-line fuel filter.
  6. Important: Inspect the O-ring on fuel filter outlet pipe for cracks or damage. Replace as required.

  7. Inspect the fuel lines, O-rings for cuts, swelling, cracks, and distortion. Replace the lines as required.
  8. Inspect the fuel return line (4).
  9. Inspect the fuel vent pipe (1).
  10. Drain any remaining fuel into an approved gasoline container.

Installation Procedure


    Object Number: 65392  Size: SH

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

    Do not repair sections of fuel pipes.

  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 Plastic Collar Quick Connect Fitting Service .
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    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. Tighten
    Tighten the in-line fuel filter outlet nut to 30 N·m (22 lb ft) using a back-up wrench in order to prevent the nut from turning.

  8. Lower the vehicle.
  9. Tighten the fuel tank filler pipe cap.
  10. Install the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection
  11. 7.1. Turn the ignition ON for 2 seconds.
    7.2. Turn the ignition OFF for 10 seconds.
    7.3. Turn the ignition ON
    7.4. Check for fuel leaks.
  12. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.