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COOLING SYSTEM SPECIFICATIONS
CONDITION
Room Temperature
Thermostat Open
Fan Off
Fan On
Thermostat Full Open Lift
Engine Temperature
Overheat Indicator
Engine Protection
Ignition Misfire
Engine Protection
Shutdown
ITEM
Cooling
570
System
Capacity
570 Crew
Pressure Cap Relief
Polaris Premium Antifreeze:
2871534 - Quart
2871323 - Gallon
Recommended Coolant
Use only high quality antifreeze/coolant mixed with
distilled water in a 50/50 ratio, depending on freeze
protection required in your area.
CAUTION: Using tap water in the cooling system will
lead to a buildup of deposits which may restrict coolant
flow and reduce heat dissipation, resulting in possible
engine damage. Polaris Premium 50/50 Antifreeze/
Coolant is recommended for use in all cooling systems
and comes pre-mixed, ready to use.
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
COOLANT
TEMPERATURE °F (°C)
68° F (20° C)
180° F (82° C)
192° F (89° C)
198° F (92° C)
203° F (95° C)
233° F (112° C)
236° F (113° C)
257° F (125° C)
SPECIFICATION
3.5 qts. (3.3 L)
5.0 qts. (4.7 L)
13 PSI
ENGINE / COOLING SYSTEM
COOLING SYSTEM PRESSURE TEST
1. Remove the hood from the front cab.
WARNING
Never remove pressure cap 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 and pressure test the cooling
system using a commercially available pressure
tester.
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.
PRESSURE CAP TEST
1. Open the hood (see "WARNING" under "Cooling
System Pressure Test").
q
2. Remove pressure cap
cap tester (commercially available).
3. The pressure cap relief pressure is 13 psi. Replace
cap if it does not meet this specification.
and test using a pressure
3.21
3
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