Fuel filter/fuel pressure regulator

REMOVAL

WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE, EVEN WITH ENGINE OFF.

BEFORE SERVICING THE FUEL FILTER/FUEL PRESSURE REGULATOR, THE FUEL SYSTEM PRESSURE MUST BE RELEASED.

Refer to Fuel System Pressure Release in the Fuel Delivery System section of this group.

The fuel filter/fuel pressure regulator is located at top of fuel pump module on top of fuel tank (Fig. 22).

Fig. 21 Fuel Filter/Fuel Pressure Regulator

1 - INTERNAL FUEL FILTER

2 - FUEL FLOW TO FUEL INJECTORS

3 - FUEL FILTER/FUEL PRESSURE REGULATOR

4 - EXCESS FUEL BACK TO TANK

5 - FUEL INLET

6 - RUBBER GROMMET

7 - TOP OF PUMP MODULE

Fuel pump module removal is not necessary for filter/ regulator removal.

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

Fig. 22 Filter/Regulator Location

1 - FUEL PUMP MODULE

2 - FRONT ROLLOVER VALVE

3 - FUEL FILTER/FUEL PRESSURE REGULATOR

4 - FUEL TANK

5 - EVAP LINE

6 - REAR ROLLOVER VALVE

(2) Clean area around filter/regulator to prevent contaminants from entering pump module.

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

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

(4) Gently cut old fuel tube (line) clamp (Fig. 23) taking care not to damage plastic fuel tube. Remove and discard old fuel tube clamp.

(5) 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.

(2) Install filter/regulator to fuel tube. Rotate filter/ regulator in fuel tube (line) (Fig. 24) until it is pointed towards front of tank (or front of vehicle).

(3) Tighten line clamp to fuel line using special Hose Clamp Pliers number C-4124 or equivalent (Fig. 24). Do not use conventional side cutters to tighten this type of clamp.

(4) Press filter/regulator (by hand) into rubber grommet.

(5) Rotate filter/regulator until pointed towards front of vehicle (Fig. 22).

(6) Install fuel tank. Refer to Fuel Tank Removal/ Installation.

(7) Check for fuel leaks.

Fig. 23 Fuel Tube and Clamp-TYPICAL

1 - FUEL FILTER/FUEL PRESSURE REGULATOR

2 - TUBE CLAMP

3 - FUEL TUBE

4 - RUBBER GROMMET

5 - TOP OF PUMP MODULE

Fig. 24 Tightening Fuel Filter Tube Clamp-TYPICAL

1 - TOOL C-4124

2 - TUBE CLAMP

3 - TOP OF PUMP MODULE

4 - FUEL TUBE