General Information - Cooling System; Special Tools; Cooling System Layout And Testing - Polaris Sportsman XP 1000 S 2020 Service Manual

GENERAL INFORMATION - COOLING SYSTEM

SPECIAL TOOLS

PART NUMBER TOOL DESCRIPTION
Flywheel Bolt Tool
PA-51880
Flywheel Puller / Water Pump Drive
PA-49316-A
Nut Puller
Mity Vac® Pressure Test Tool
2870975
Water Pump Bearing / Seal Installer
PA-49378
Water Pump Mechanical Seal
PA-44995-A
Installer
Bosch Automotive Service Solutions 1-800-345–2233
or www.polaris.service-solutions.com
COOLING SYSTEM LAYOUT AND
TESTING
FLOW
Coolant is drawn into the water pump
flow up through the engine to the thermostat housing
If the thermostat is open, it flows to the radiator and is
drawn back by the water pump. If the thermostat is
closed, it flows back to the water pump in the bypass
e
hose .
COOLING SYSTEM PRESSURE TEST
WARNING
• Never remove radiator cap when engine is warm or
hot.
• The cooling system is under pressure and serious
burns may result.
• Allow the engine and cooling system to cool before
servicing.
9931493 R03 - 2020-2021 Sportsman XP 1000 S Service Manual
© Copyright Polaris Inc.
1. Remove the front rack.
2. Remove the pressure cap from the radiator and
pressure test the cooling system using a
commercially available tester.
3. The system must retain 10 psi for five minutes or
longer. If pressure loss is evident within five minutes,
check the radiator, all cooling system hoses, hose
clamps and water pump seal for leakage.
RADIATOR CAP PRESSURE TEST
• Never remove radiator cap when engine is warm or
hot.
• The cooling system is under pressure and serious
burns may result.
• Allow the engine and cooling system to cool before
q servicing.
, which creates
w
.
1. Remove radiator pressure cap and test using a cap
tester (commercially available).
2. The radiator cap relief pressure is 13 lbs. Replace
cap if it does not meet this specification.
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 50/50 Extended Life Antifreeze is
recommended for use in all cooling systems, and
See 50/50 Extended-Life Engine Antifreeze page 2.19
ENGINE / COOLING SYSTEM
WARNING
Recommended Antifreeze:
Polaris 50/50 Extended Life Antifreeze
NOTICE
comes pre-mixed and ready to use.
for more information.
3
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