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MAINTENANCE AND LUBRICATION
Cooling System (RANGER 4X4, 6X6)
Operati on
The engine coolant level is controlled or maintained by the recovery
system. The recovery system components are t h e overflow bottle,
radiator filler neck, radiator pressure cap and connecting hose.
As coolant operating temperature increases, the expanding (heated)
excess coolant is forced out of the radiator, past the pressure cap, and
into the ov erflow bottle. As engine coolant temperat ure decreases, the
contracting (cooled) coolant is drawn back up from the tank, past the
pressure cap, and into t he radiator.
NOTE: Some coolant level drop on new vehicles is normal as the
system is purging itself of trapped air. Observe coolant
levels and maintain as recommended by adding coolant to
the overflow bottle.
Adding or Changing Coola nt
To ensure that the coolant maintains its ability to protect the engine, we
recommend that the system be completely drained every two years and
a fresh mixture of antifreeze and water added. Polaris recommends the
use of Polaris Premium 60/40 anti-freeze/coolant or a 50/50 mixture of
high quality aluminum compatible anti-freeze/coolant and distilled
water. Polaris Premium 60/40 i s already premixed and ready to use.
Do not dilute with water. S ee page 99 for the part numbers of Polaris
products.
NOTE: Always follow the manufacturer’s mixing recommendations
for the freeze protection required in your area.
Any time the cooling system has been d rained for maintenance or
repair, replace the coolant. If the recovery bo ttle has run dry, the level
in the radiator shou ld be inspected. Add coolant as needed.
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