GM Service Manual Online
For 1990-2009 cars only

In-Line Fuel Filter Replacement Auto Trans

Removal Procedure

Tool Required

J 34730-1A Fuel Pressure Gauge

Important: 

   • There is no service interval for the fuel filter replacement. Only replace a restricted fuel filter.
   • Clean the fuel tanks if you find a restricted fuel filter.


    Object Number: 43512  Size: SH
  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  3. Raise the vehicle.
  4. Clean all the fuel filter connections and the surrounding areas before disconnecting the fuel pipes in order to avoid possible contamination of the fuel system.
  5. Disconnect the stabilizer bar from the rear cradle.
  6. Remove the exhaust intermediate pipe to muffler bolts.
  7. Lower the left muffler.
  8. Remove the fuel filter bracket nut (2) from the mounting stud (3).

  9. Object Number: 43558  Size: SH
  10. Disconnect the quick-connect fittings (3 and 5) from the fuel filter. Refer to Metal Collar Quick Connect Fitting Service or Plastic Collar Quick Connect Fitting Service .
  11. Cap the fuel pipes in order to prevent possible fuel system contamination.
  12. Remove the fuel filter and the bracket.
  13. Remove the fuel filter from the bracket.

Installation Procedure


    Object Number: 43558  Size: SH
  1. Remove the protective caps from the new fuel filter.
  2. Install the fuel filter into the bracket.
  3. Remove the caps from the fuel pipes.
  4. Connect the quick-connect fittings (3 and 5) to the fuel filter. Refer to Metal Collar Quick Connect Fitting Service or Plastic Collar Quick Connect Fitting Service .
  5. Install the fuel filter and the bracket (4) to the mounting stud.

  6. Object Number: 107570  Size: SH
  7. Engage the anti-rotation tab (3) of the fuel filter bracket (2) into the hole of the tunnel reinforcement (1).

  8. Object Number: 43512  Size: SH

    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.

  9. Install the fuel filter bracket nut (2).
  10. Tighten
    Tighten the fuel filter bracket nut to 4.5 N·m (40 lb in).

  11. Raise the left muffler.
  12. Install the exhaust intermediate pipe to muffler bolts.
  13. Install the stabilizer bar to the rear cradle.
  14. Lower the vehicle.
  15. Tighten the fuel filler cap.
  16. Connect the negative battery cable.
  17. Inspect for leaks.
  18. 14.1. Turn the ignition switch ON for 2 seconds.
    14.2. Turn the ignition switch OFF for 10 seconds.
    14.3. Turn the ignition switch ON.
    14.4. Check for fuel leaks.
  19. Perform the idle learn procedure. Refer to Idle Learn .

In-Line Fuel Filter Replacement Manual Trans

Removal Procedure

Tool Required

J 34730-1A Fuel Pressure Gauge

Important: 

   • There is no service interval for the fuel filter replacement. Only replace a restricted fuel filter.
   • Clean the fuel tanks if you find a restricted fuel filter.


    Object Number: 43512  Size: SH
  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  3. Raise the vehicle.
  4. Clean all the fuel filter connections and the surrounding areas before disconnecting the fuel pipes in order to avoid possible contamination of the fuel system.
  5. Remove the fuel filter bracket nut (2) from the mounting stud (3).

  6. Object Number: 43558  Size: SH
  7. Disconnect the quick-connect fittings (3 and 5) from the fuel filter. Refer to Metal Collar Quick Connect Fitting Service or Plastic Collar Quick Connect Fitting Service .
  8. Cap the fuel pipes in order to prevent possible fuel system contamination.
  9. Remove the fuel filter and the bracket.
  10. Remove the fuel filter from the bracket.

Installation Procedure


    Object Number: 43558  Size: SH
  1. Remove the protective caps from the new fuel filter.
  2. Install the new plastic connector retainers on the fuel filter inlet and outlet tubes. Install the new retainers in the same positions as on the old fuel filter.
  3. Install the fuel filter into the bracket.
  4. Remove the caps from the fuel pipes.
  5. Connect the quick-connect fittings (3 and 5) to the fuel filter. Refer to Metal Collar Quick Connect Fitting Service or Plastic Collar Quick Connect Fitting Service .
  6. Install the fuel filter and the bracket (4) to the mounting stud.

  7. Object Number: 107570  Size: SH
  8. Engage the anti-rotation tab (3) of the fuel filter bracket (2) into the hole of the tunnel reinforcement (1).

  9. Object Number: 43512  Size: SH

    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.

  10. Install the fuel filter bracket nut (2).
  11. Tighten
    Tighten the fuel filter bracket nut to 4.5 N·m (40 lb in).

  12. Lower the vehicle.
  13. Tighten the fuel filler cap.
  14. Connect the negative battery cable.
  15. Inspect for leaks.
  16. 12.1. Turn the ignition switch ON for 2 seconds.
    12.2. Turn the ignition switch OFF for 10 seconds.
    12.3. Turn the ignition switch ON.
    12.4. Check for fuel leaks.
  17. Perform the idle learn procedure. Refer to Idle Learn .