4.21
ELECTRONIC FUEL INJECTION
4
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Fuel Pump Replacement
1. Remove the driver and passenger seat to access the
fuel pump.
2. Disconnect the battery (-) negative cable.
3. Ensure that static has been discharged from you by
tou
ching a ground so urce su ch as th e en gine or
frame.
4. Disconnect the fuel pump electrical harness.
5. While holding a shop towel ov er the fuel line
con
nector, disconnect the quick connect fuel line from
the fuel pump.
NOTE: A small amount of fuel may come out of the
f
uel line or tank. Prop erly dra in fuel in to a su itable
container.
6. Be sure the top of the 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.
7. Place the Fuel Pump Service Tool (PU-50326) over
th
e fuel pump PFA nut. Using a 1/2” drive ratchet or
breaker bar, loosen and remove the PFA nut. Discard
the PFA nut.
NOTE: Apply down ward for ce o n the fue l p ump
f
lange while removing the fuel pump PFA nut.
Always wear safety goggles when working with
high pressure or flammable fluids. Failure to do
so could result in serious injury or complications.
It is possible for pressurized fuel to be present
when disconnecting the fuel line.
It is recommended to allow the vehicle to sit for
a period of one hour after shutting off the engine
before servicing the fuel pump. This allows the
exhaust to cool and fuel pressure to drop.
Pump Harness
Fuel Line Connector
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.
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