6.0L Fuel Metering System 3B - 19
MEFI 4 - PCM
Fuel Control Cell (FCC) - Clamp On Bowl -
Element Replacement (With Engine OFF)
1. Disconnect the two-wire electrical harness.
2. Remove the 7/16” plug and drain the bowl contents
into a suitable container.
Caution: Both fuel, which is explosive, and water will
drain from the FCC bowl.
3. Remove the canister retaining clamp.
4. Slide bowl downward over the suspended fi lter element.
It may be necessary to pull the unit to one side to
remove the bowl.
5. Remove the fuel fi lter element from the suspended
pump by gripping the fuel pump with one hand and
pulling the fi lter downward with the other hand.
6. Push on new fi lter element over the electric pump.
7. Using a pick made of soft material, such as a toothpick,
remove the old “O”-rings from the FCC bowl mounting
head.
Caution: The mounting head “O”-ring grooves may
be damaged by using a sharp tool to remove these
“O”-rings.
8. Lubricate the new “O”-rings with fuel resistant “O”-ring
lubricant, and install the new “O”-rings on the FCC
head.
9. Apply pipe sealant, suitable for use with gasoline, to
the threads fo the 7/16” plug.
10. Install and tighten the 7/16” plug securely.
11. Install the bowl fi rmly back onto the FCC head.
12. Install the canister retaining clamp and tighten
securely.
13. Reconnect the two-wire electrical harness.
Inspect
•
Turn ignition switch to the “ON” position for 2 seconds,
then turn to the “OFF” position for 10 seconds. Cycle
the ignition several times to fi ll the FCC bowl. Turn the
ignition switch back to the “ON” position and check
for fuel leaks.
Fuel Control Cell (FCC) - Clamp On Bowl -
Drain Water (With Engine OFF)
1. Disconnect the two-wire electrical harness.
2. Remove the 7/16” plug and drain the bowl contents
into a suitable container.
Caution: Both fuel, which is explosive, and water will
drain from the FCC bowl.
3. Apply pipe sealant, suitable for use with gasoline, to
the threads fo the 7/16” plug.
4. Install and tighten the 7/16” plug securely.
5. Reconnect the two-wire electrical harness.
Inspect
•
Turn ignition switch to the “ON” position for 2 seconds,
then turn to the “OFF” position for 10 seconds. Cycle
the ignition several times to fi ll the FCC bowl. Turn the
ignition switch back to the “ON” position and check
for fuel leaks.
FUEL
DRAIN
FUEL
BOWL
RETAINING
CLAMP
FUEL
FILTER
FUEL
PUMP
FUEL
PRESSURE
REGULATOR
6.0L 5.0/5.7L
OR
O-RINGS