Fuel Pump Replacement - Polaris 2014 Sportsman 570 EF Service Manual

8. If voltage at the plug was within the specified range,
and there was continuity across the pump terminals,
reconnect the plug to the fuel pump, making sure you
have a clean connection. Turn on the key switch and
listen for the pump to activate.
NOTE: If the pump starts, repeat steps 3, 4 and 5
to verify correct pressure.
9. If the pump still does not operate, check for correct
ECU operation by plugging in a known-good ECU of
the same model.
NOTE: If the pump still does not operate, replace
the fuel pump assembly.
10. Re-instal the front cab.

Fuel Pump Replacement

WARNING
Always wear safety goggles when working with high
pressure or flammable fluids. Failure to do so could
result in serious injury or complications.
1. Remove the seat and front cab.
2. Disconnect the battery (-) negative cable.
3. Ensure that static has been discharged from you by
touching a ground source such as the engine or
frame.
4. Disconnect the fuel pump electrical harness(1).
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
5. While holding a shop towel over the fuel line
connector, disconnect the quick connect fuel line (2)
from the fuel pump.
It is possible for pressurized fuel to be present when
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
NOTE: A small amount of fuel may come out of
the fuel line or tank. Properly drain fuel into a
suitable 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.
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
© Copyright 2013 Polaris Sales Inc.
FUEL SYSTEM - GENERAL
CAUTION
disconnecting the fuel line.
and fuel pressure to drop.
WARNING
pump and/or clogging
of internal fuel filters.
4
4.15