Water Pump Cover And Impeller Service (Stator Cover Remains On Engine); Water Pump Mechanical Seal / Oil Seal Replacement - Polaris RANGER 500 2017 Service Manual

WATER PUMP COVER AND IMPELLER
SERVICE (STATOR COVER REMAINS ON
ENGINE)
NOTICE
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.
WARNING
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 .
NOTICE
r
The water pump impeller uses reverse (left) threads.
11. Inspect the water pump cover and impeller for
damage. Replace as necessary.
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
attaching the water pump
w
and water pump
e
.
ENGINE / COOLING SYSTEM
12. Follow this procedure in reverse to assemble the
water pump impeller and cover. Always use a new
water pump cover gasket. Torque all fasteners in
sequence to specification.
TORQUE
Water Pump Cover Fastener:
9 ft-lbs (12 Nm)(Apply Loctite® 204™ to bolt
threads)
Water Pump Impeller:
Finger Tight *LH threads
13. Fill and bleed cooling system as outlined in this
chapter.
WATER PUMP MECHANICAL SEAL / OIL
SEAL REPLACEMENT
NOTICE
The stator cover must be removed from the engine to
service the water pump drive shaft, oil seal, mechanical
seal and bearing.
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.
3
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