Servicing Fuel Pre-Filter; Priming Fuel System; Flame Arrestor - PCM 2006 5.0L MPI Owner's Operation And Maintenance Manual

ENGINE MAINTENANCE - 11
Servicing the Fuel Pre-Filter
The frequency of replacing the fi lter element is
determined by the contamination level of the fuel.
Replace the fi lter element at least once a year, or when
a loss of power is noticed (whichever occurs fi rst).
WARNING
Improper use, installation or servicing may cause an
explosion or fi re resulting in bodily injury, or death.
This unit should only be serviced by a qualifi ed
technician. Read and follow all instructions before
proceeding. Run the engine and check for fuel leaks
after installation or element replacement.
Filter Element Replacement, ENGINE OFF
PRE-FILTER SERVICE KIT#: RP077014
The pre-fi lter assembly does not need to be removed
from the low pressure fuel pump to service the fi lter
element.
1. Disconnect the fuel supply line from the pre-fi lter
fi tting and block the line to prevent fuel spillage.
2. Secure the fi lter by the wrench fl ats at the low
pressure fuel pump.
3. Remove the fi lter end cap.
4. Remove the old fi lter and seal.
5. Install the new fi lter and seal.
6. Re-install the fi lter end cap and tighten securely.
7. Re-install the fuel supply line and tighten
retaining clamp securely.
8. Start the engine and inspect for fuel leaks.
Correct any leaks prior to operating the engine
any further.
WARNING
Make sure there are no fuel leaks before closing the
engine hatch.

Priming Fuel System

To prime the fuel system, cycle the ignition key 3 times
using the following procedures:
1. Turn ignition key to ON position for 5 seconds.
2. Turn ignition key OFF.
3. Pause for 10 seconds.
4. Repeat steps 1-3 three times.
Crank the engine until it starts or 30 seconds elapse. If
the engine does not start, repeat the priming procedures.
42

FLAME ARRESTOR

At specifi ed intervals, the fl ame arrestor should be
checked for blockage caused by dirt or other foreign
material.
Loosen the fastener(s) securing the fl ame arrestor to
the air intake tube or throttle body. Remove the fl ame
arrestor. Clean the fl ame arrestor with solvent and dry
with compressed air. Reinstall the fl ame arrestor and
tighten the fastener(s) securely.
FLAME
ARRESTOR
Figure 11-15 Flame Arrestor - 5.7L (Typical)
L510010-06
FLAME
ARRESTOR
FASTENERS
THROTTLE
BODY