Fuel Filter: Service and Repair

REMOVAL

WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE, EVEN WITH ENGINE OFF. BEFORE SERVICING FUEL FILTER/FUEL PRESSURE REGULATOR, FUEL SYSTEM PRESSURE MUST BE RELEASED.

Refer to Fuel System Pressure Release in Fuel Delivery System.

Fig. 22 Fuel Filter/Fuel Pressure Regulator:

Fig. 23 Filter/Regulator Location - 26 Or 34 Gallon Fuel Tank:

Fig. 24 Filter/Regulator Location - 35 Gallon Fuel Tank:

The fuel filter/fuel pressure regulator is located at top of fuel pump module (Fig. 23) or (Fig. 24).

Fuel pump module removal is not necessary.

1. Drain fuel tank and remove tank. Refer to Fuel Tank Removal/Installation.

Fig. 25 Filter/Regulator Removal And Installation (Typical):

2. The fuel filter/regulator is pressed into a rubber grommet. Remove by twisting and pulling straight up (Fig. 25).

CAUTION: Do not pull filter/regulator more than three inches from fuel pump module. Damage to coiled fuel tube (line) may result.

Fig. 26 Fuel Tube And Clamp (Typical):

3. Gently cut old fuel tube (line) clamp (Fig. 26) taking care not to damage plastic fuel tube. Remove and discard old fuel tube clamp.
4. Remove plastic fuel tube from filter/regulator by gently pulling downward. Remove filter/regulator from fuel pump module.

INSTALLATION
1. Install a new clamp over plastic fuel tube.

Fig. 27 Tightening Fuel Tube Clamp (Typical):

2. Install filter/regulator to fuel tube. Rotate filter/regulator in fuel tube (line) (Fig. 27) until it is pointed to drivers side of vehicle (Fig. 23) or (Fig. 24).
3. Tighten line clamp to fuel line using special Hose Clamp Pliers number C-4124 or equivalent (Fig. 27). Do not use conventional side cutters to tighten this type of clamp.
4. Press filter/regulator (by hand) into rubber grommet. The assembly should be pointed towards drivers side of vehicle (Fig. 23) or (Fig. 24).
5. Install fuel tank. Refer to Fuel Tank Removal/Installation.
6. Check for fuel leaks.