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4.21
ELECTRONIC FUEL INJECTION
4
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
Fuel Pump Replacement
1. Remove the passenger seat to access the fuel pump.
2. Ensure that static has been discharged from you by
touching a ground source such as the engine or frame.
3. Disconnect the fuel pump electrical harness.
4. While holding a shop towel over the fuel line connector,
disconnect the quick connect fuel line from the fuel pump.
NOTE: A small amount of fuel may come out of the
fuel line or tank. Properly drain fuel into a suitable
container.
5. 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.
6. Place the Fuel Pump Service Tool (PU-50326) over the 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 downward force on the fuel pump
flange while removing the fuel pump PFA nut.
WARNING
Always wear safety goggles when working with
high pressure or flammable fluids. Failure to do
so could result in serious injury or complications.
CAUTION
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
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.
Clean this area
PFA Nut
PU-50326