4.10
2. Be sure top of fuel tank is clean. If it requires
cleaning, hand wash the top of the tank to ensure no
debris will enter the fuel system when the fuel pump
is removed.
CAUTION
Failure to clean area around fuel pump may lead to
debris entering the fuel tank during service. Excessive
debris in fuel tank may cause premature wear of fuel
pump and/or clogging of internal fuel filters.
3. Place the Fuel Pump Service Tool (PU-50326)
q
over the fuel pump PFA nut
w
. Using a 1/2” drive
ratchet or breaker bar, loosen and remove the PFA
nut. Discard the PFA nut.
NOTE
Apply downward force on the fuel pump flange while
removing the fuel pump PFA nut.
4. Carefully lift the fuel pump out of the fuel tank. As the
fuel pump assembly is being removed, be aware of
float arm and pump pre-filter. Hold the float arm to
the pump body as you lift and tilt the pump to ensure
that the float arm is not bent when removed from the
tank.
5. Transfer old fuel pump to a suitable container
capable of safely holding fuel. The fuel pump will
retain some fuel.
6. Drain fuel from tank and wipe with a clean rag before
inspecting the inside of the fuel tank for debris (may
require flashlight and mirror). If debris like mud or
sand is present, fuel tank should be flushed and
cleaned out prior to installation of new fuel pump
assembly.
NOTE
It is recommended to remove the fuel tank from the
vehicle and rinse it with a small amount of clean fuel.
Do not use water or any other chemicals to remove
debris.
7. Remove new fuel pump assembly, gasket and PFA
nut from packaging. Use care not to bend float arm
during unpacking. Do not lift or carry fuel pump
assembly by the float arm.
FUEL SYSTEM
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