Fuel Filter: Service and Repair

Descriptive:

Removal Procedure

NOTE: There is no service interval for in-pipe fuel filter replacement. Only replace the in-pipe fuel filter if it is restricted.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Release.
2. Remove the negative battery cable.
3. Raise the vehicle.
4. Remove the quick-connect fitting at the inlet of the in-pipe fuel Filter.
5. Remove the threaded fitting at the outlet of the in-pipe fuel filter.
6. Drain any remaining fuel into an approved gasoline container.
7. Remove the in-pipe fuel filter from the in-pipe fuel filter mounting bracket.

Installation Procedure

CAUTION: Always use the correct fastener in the proper location. When you replace a fastener, use ONLY the exact part number for that application. General Motors will call out those fasteners that require a replacement after removal. General Motors will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion inhibitors) on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and the joint clamping force, and may damage the fastener. When you install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and systems.

1. Remove the protective caps from the new in-pipe fuel filter.
2. Install the new plastic connector retainer on the in-pipe fuel filter inlet.
3. Slide the in-pipe fuel filter into the in-pipe fuel filter mounting bracket.
4. Install the quick-connect fitting at the inlet of the in-pipe fuel filter.
5. Install the threaded fitting at the outlet of the in-pipe fuel filter. Using a back-up wrench in order to prevent the in-pipe fuel filter from turning. Tighten the in-pipe fuel filter outlet nut to 30 Nm (22 lb. ft).
6. Lower the vehicle.
7. Tighten the fuel tank filler pipe cap.
8. Install the negative battery cable.