Polaris 2011 Ranger 400 - Manual (Page 71)

67
MAINTENANCE
Cooling System
Adding or Changing Coolant
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 is already premixed and ready to use.
Do not dilute with water. See page 102 for the part numbers of
POLARIS products.
Always follow the manufacturer's mixing recommendations for the
freeze protection required in your area.
Any time the cooling system has been drained for maintenance or repair,
replace the coolant. If the recovery bottle has run dry, the level in the
radiator should be inspected. Add coolant as needed.
Radiator and Cooling Fan
Always check and clean the screen and radiator fins at the intervals out-
lined in the Periodic Maintenance Chart beginning on page 50. Do not
obstruct or deflect air flow through the radiator by installing unautho-
rized accessories in front of the radiator or behind the cooling fan. Inter-
ference with the radiator air flow can lead to overheating and
consequent engine damage.
NOTICE: Washing the vehicle with a high-pressure hose could damage the
radiator fins and impair the radiator's effectiveness. Using a high-
pressure system is not recommended.