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9850045 R01 - 2020-2021 RANGER 1000 Service Manual
© Copyright Polaris Inc.
3.81
9. Allow engine and cooling system to completely cool
down.
CAUTION
Escaping steam can cause burns. Never remove the
pressure cap while the engine is warm or hot. Always
allow the engine to cool before removing the pressure
cap.
10.Remove the pressure cap. Add the necessary
amount of Polaris Premium Antifreeze to the radiator
filler neck.
11. 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.
12.Tighten the bleed screw to specification, top off
coolant and properly install the pressure cap.
TORQUE
Coolant Bleed Screw:
6 ft-lbs (8 Nm)
13.Fill the recovery bottle to the MAX line.
14.Reinstall the upper exhaust heat shield.
15.Reinstall the hood.
COOLING SYSTEM PRESSURE TEST
1. Remove the hood from the front cab.
WARNING
Never remove pressure cap
q
when engine is warm or
hot. The cooling system is under pressure and serious
burns may result. Allow the engine to cool before
servicing.
2. Remove pressure cap
q
and pressure test the
cooling system using a commercially available
pressure tester.
ITEM DESCRIPTION
q
Pressure Cap (Test Here)
w
Recovery Bottle
e
To Water Pump
r
To Thermostat Housing
3. The system must maintain 10 psi for five minutes or
longer. If pressure loss is evident within five minutes,
check the filler neck, radiator, hoses, clamps and
water pump weep hole for leakage.
ENGINE / COOLING / EXHAUST
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