Water Pump Cover And Impeller Service (Stator Cover Remains On Engine) - Polaris RANGER 500 2018 Service Manual

6. Open the bleed screw (Item 3) to allow any trapped
air to escape.
7. Fill the radiator until a steady stream of coolant
begins to drain out of the bleed screw.
8. Tighten the bleed screw to specification, top off
coolant and properly install the pressure cap.
TORQUE
Coolant Bleed Screw:
72 in-lbs (8 Nm)
9. Start the engine and allow it to idle until the coolant
fan has cycled.
10. Allow engine and cooling system to completely cool
down (see CAUTION).
11. Remove the pressure cap. Add the necessary
amount of Polaris Premium Antifreeze to the radiator
filler neck.
12. Open the bleed screw to allow any trapped air to
escape. Close the bleed screw once a steady stream
of coolant begins to drain out.
13. Tighten the bleed screw to specification, top off
coolant and properly install the pressure cap.
TORQUE
Coolant Bleed Screw:
72 in-lbs (8 Nm)
14. Fill the recovery bottle to the MAX line.
15. Reinstall the hood.
16. Reinstall cargo box access cover.
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
ENGINE / COOLING SYSTEM
WATER PUMP COVER AND IMPELLER SERVICE
(STATOR COVER REMAINS ON ENGINE)
NOTE
The water pump cover, gasket and impeller can be
serviced with the stator cover installed on the engine.
1. Allow engine and cooling system to completely cool.
CAUTION
Be sure the engine has cooled and no pressure is built
up in the cooling system before removing the pressure
cap. The coolant may be hot and could cause severe
injury or burns.
2. Disconnect the (-) negative battery cable.
3. Remove all debris and thoroughly clean water pump
area and right-hand side of engine block.
4. Open the hood.
5. Remove the pressure cap from the filler neck.
6. Completely drain cooling system and engine as
outlined in this chapter.
7. Raise and safely support the vehicle. Remove the
right rear wheel.
q
8. Remove the eight bolts
cover to the stator cover.
9. Remove the water pump cover
e
cover gasket . Discard the water pump gasket
10. Using an 8mm socket, remove the water pump
r
impeller .
NOTE
r
The water pump impeller uses reverse (left) threads.
11. Inspect the water pump cover and impeller for
damage. Replace as necessary.
3
attaching the water pump
w
and water pump
e
.
3.27