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9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
3.27
COOLING SYSTEM SPECIFICATIONS
CONDITION
COOLANT
TEMPERATURE °F (°
C)
Room Temperature 68° F (20° C)
Thermostat Open 180° F (82° C)
Thermostat Full Open Lift 203° F (95° C)
Fan ON
204° F (96° C)
Fan OFF
194° F (90° C)
Engine Temperature
Overheat Indicator
231° F (111° C)*
Engine Protection Ignition
Misfire
235° F (113° C)*
Engine Protection Shutdown
242° F (117° C)*
* = Actual value determined by vehicle speed (stopped
or moving). Listed value is conservative setting.
Item
Specification
Cooling System Capacity Liquid Cooled / 86 oz.
(2.5 l)
Coolant Recovery Bottle
Capacity
8 oz. (237 ml)
Pressure Cap Relief 13 PSI
Polaris Premium Antifreeze:
2880514 - Quart
2880513 - Gallon
Recommended Coolant
Use only high quality antifreeze/coolant mixed with
distilled water in a 50/50 or 60/40 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.
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”).
2. Remove pressure cap
q
and test using a pressure
cap tester (commercially available).
3. The pressure cap relief pressure is 13 psi. Replace
cap if it does not meet this specification.
ENGINE / COOLING SYSTEM
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