Notice: Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering the open pipes and passages.

Important: Always maintain cleanliness when servicing fuel system components.

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

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
3. Disconnect the fuel feed (4) and the fuel return (2) quick-connect fittings at the inlet of the in-line fuel filter. Refer to Plastic Collar Quick Connect Fitting Service .
4. Cap the fuel feed and the fuel return pipes as needed to stop any fuel leakage.

Important: Use a back up wrench to prevent the fuel filter fitting from turning.

5. Remove the threaded nut fitting (1) from the outlet of the in-line fuel filter.
6. Drain any remaining fuel into an approved gasoline container.
7. Remove the in-line fuel bracket bolt.
8. Remove the in-line fuel filter from the mounting bracket.

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

1. Remove the protective caps from the new in-line fuel filter.
2. Install the in-line fuel filter to the mounting bracket.
3. Install the in-line fuel filter and the mounting bracket.

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.

4. Install the in-line fuel filter mounting bracket bolt.

Tighten
Tighten the bolt to 20 N·m (15 lb ft).

Important: Use a back up wrench to prevent the fuel filter fitting from turning.

5. Install the threaded nut fitting (1) to the outlet of the in-line fuel filter.

Tighten
Tighten the threaded nut fitting to 30 N·m (22 lb ft).

6. Remove the caps from the fuel feed and the fuel return pipes.
7. Connect the fuel feed (4) and the fuel return (2) quick-connect fittings at the inlet of the in-line fuel filter. Refer to Plastic Collar Quick Connect Fitting Service .
8. Lower the vehicle.
9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
10. Inspect for leaks.

10.1.

Turn ON the ignition for 2 seconds.

10.2.

Turn OFF the ignition for 10 seconds.

10.3.

Turn ON the ignition.

10.4.

Inspect for fuel leaks.

11. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.