Fuel Filter: Service and Repair

FUEL FILTER REPLACEMENT

TOOLS REQUIRED
J 34730-1A Fuel Pressure Gauge

REMOVAL PROCEDURE

IMPORTANT:
^ There is no service interval for fuel filter replacement. Only replace a restricted fuel filter.
^ If you find a restricted fuel filter, inspect the fuel tank internally and clean the fuel tank.

CAUTION: Refer to the Battery Disconnect Caution in Service Precautions.




1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
4. Before you disconnect the fuel pipes, clean all the fuel filter connections and clean the surrounding areas in order to avoid possible fuel system contamination.
5. Disconnect the quick-connect fitting at the fuel filter inlet (3).
6. Disconnect the threaded fitting (1) from the fuel filter outlet.
7. Cap the fuel pipes in order to prevent possible fuel system contamination.
8. Slide the fuel filter (2) from the bracket (4).
9. Remove the fuel pipe O-ring.

INSTALLATION PROCEDURE




1. Slide the fuel filter (2) into the bracket (4).
2. Remove the caps from the fuel pipes.
3. Lubricate the new fuel pipe O-ring with clean engine oil.
4. Install the fuel pipe O-ring.

NOTE: Refer to Fastener Notice in Service Precautions.

5. Connect the threaded fitting (1) to the fuel filter outlet.

Tighten
Tighten the fuel filter fitting to 30 N.m (22 lb ft).

6. Connect the quick-connect fitting to the fuel filter inlet (3).
7. Lower the vehicle.
8. Tighten the fuel filler cap.
9. Connect the negative battery cable.
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. Check for fuel leaks.
11. Perform the Idle Learn Procedure. Refer to Idle Lean Procedure.