PCM HO303 MPI Owner's Operation And Maintenance Manual page 46

ENGINE MAINTENANCE - 11
Draining the FCC Bowl, ENGINE OFF
1. Disconnect the two-wire electrical connectors
from the FCC and the Low Pressure Fuel Pump
(LPFP).
2. Remove the 7/16" plug, and drain the bowl
contents into an approved container.
CAUTION: Both fuel and water will drain from the
FCC bowl.
3. Apply pipe sealant, suitable for use with gasoline,
to the threads of the 7/16" plug.
4. Tighten the 7/16" plug.
5. Reconnect the two-wire electrical connectors to
the FCC and LPFP.
6. Cycle the ignition key several times to run the
electric fuel pumps and fi ll the FCC bowl with
fuel. Inspect the drain plug area for leaks.
WARNING
Residual fuel will leak from the pump and the
supply line. Elevate and plug the supply line to
minimize fuel leakage. Capture/clean-up spilled
fuel as required. Dispose of shop towels in an
approved container.
Correct any leaks prior to operating the engine.
7. Start the engine and inspect for fuel leaks.
Correct any leaks prior to operating the engine
any further.
Filter Element Replacement, ENGINE OFF
FCC SERVICE KIT#: RP080026
1. Disconnect the two-wire electrical connectors
from the FCC and the Low Pressure Fuel Pump
(LPFP).
2. Disconnect the fuel supply line from the LPFP.
3. Remove the 7/16" plug, and drain the bowl
contents into an approved container.
CAUTION: Both fuel and water will drain from the
FCC bowl.
4 Remove the canister retaining clamp.
5 Slide the canister downward over the suspended
fi lter element. It may be necessary to pull the
unit to one side in order to remove.
6. Remove the fuel fi lter element from the
suspended pump by gripping the fuel pump
with one hand, and pulling the fi lter element
downward with the other hand.
7. Visually inspect all internal components, i.e.
hoses, wires, etc.
42
RETAINING
CLAMP
Figure 11-15 Fuel Control Cell (FCC) - Clamp-on
8. Push on new fi lter element (part number
RP080026) over the electric fuel pump.
9. Using a pick made of soft material, such as a
toothpick, remove the old O-rings from the FCC
head.
CAUTION: The mounting head O-ring grooves may
be damaged by using sharp steel tools to remove
the O-rings.
CAUTION: Use only fuel approved O-rings
(R047241) provided in RP080026 Kit. Use of non-
approved O-rings may cause fuel to leak from the
FCC.
10. Install the new O-rings in the same location.
Lubricate the new O-rings with a fuel resistant
O-ring lubricant.
11. Apply pipe sealant, suitable for use with gasoline,
to the threads of the 7/16" plug.
12. Install and tighten the 7/16" plug into the canister.
13. Install the canister fi rmly back onto the FCC
head.
14. Reinstall the retaining clamp and tighten
securely.
L510010-11
6.0L 5.0/5.7L
OR
O-RINGS
FUEL
PRESSURE
REGULATOR
FUEL
PUMP
FUEL
FILTER
FUEL
BOWL
FUEL
DRAIN
Canister (Typical)