GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: If the in-line filter is plugged, the fuel tank should be inspected internally and cleaned if necessary. Refer to Fuel System Cleaning .

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 420624  Size: SH
  4. Disconnect the fuel pipes (1) at the fuel filter.
  5. Remove the fuel filter from the bracket.

Installation Procedure

  1. Remove the protective caps from the new filter.

  2. Object Number: 420624  Size: SH
  3. Install the fuel filter in the bracket noting the direction of fuel flow arrow.
  4. 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.

  5. Connect the fuel pipes (1) to the fuel filter.
  6. Tighten
    Tighten the fuel pipe fittings to 27 N·m (20 lb ft).

  7. Lower the vehicle.
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  9. Inspect for fuel leaks using the following procedure:
  10. 6.1. Turn ON the ignition, with the engine OFF for 2 seconds.
    6.2. Turn OFF the ignition for 10 seconds.
    6.3. Turn ON the ignition, with the engine OFF.
    6.4. Inspect for fuel leaks.