Cooling System Specifications; Cooling System Test - Polaris 2005 Sportsman MV7 Service Manual

ENGINE
COOLING SYSTEM
SPECIFICATIONS
Condition Approx. Reading
(Min- -Max)
Hot Light 178Ω -- 190Ω
On
Fan Off 296Ω -- 316Ω
Fan On 236Ω -- 251Ω
System
Capacity
Radiator
Cap Relief
Pressure
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.
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 60/40 Antifreeze/Coolant is
recommended for use in all cooling systems and comes
pre-mixed, ready to use.
FLOW
Radiator
Thermostat
Cylinder
Head
Coolant Flow Diagram
Top
Bottom
Radiator
Left Side
View
3.14
Temperature
215° F
(102° C)
180° F (82° C)
195° F (91° C)
2.25 Quarts
(2.13L)
13 PSI
CAUTION:
Water
Pump
Cylinder
COOLING SYSTEM
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.
1. Remove front cover.
2. Remove recovery bottle hose from coolant filler
neck.
3. Connect a Mity Vact (PN 2870975) to the filler
neck nipple and pressurize system to 10 psi. The
system must retain 10 psi for five minutes or
longer. If pressure loss is evident within five
minutes, check the radiator, hoses, clamps and
water pump seals for leakage.
Radiator Cap Pressure Test
1. Remove radiator cap and test cap using a
commercially available cap tester.
2. The radiator cap relief pressure is 13 lbs. Replace
cap if it does not meet this specification.
Upper Engine Hose
Filler Neck Assy.
Fan
Shroud
Lower Engine
Hose
Exploded View
To Water Pump
Surge Tank
Hose
Radiator
Radiator
Front
View