Page 57 - Manual Oficina Polaris RS1 2018 e 2019

MAINTENANCE

COOLING SYSTEM COOLANT LEVEL INSPECTION
The pressure cap q and recovery bottle w are located
COOLING SYSTEM OVERVIEW under the top rear close-off panel. The coolant level must

The engine coolant level is controlled, or maintained, by be maintained between the minimum and maximum
the recovery system. The recovery system components levels indicated on the recovery bottle.
are the recovery bottle, radiator filler neck, radiator With the engine at operating temperature, the coolant 2
pressure cap and connecting hose. level should be between the upper and lower marks on
As coolant operating temperature increases, the the coolant recovery bottle. If not, perform the following
expanding (heated) excess coolant is forced out of the procedure.
radiator past the pressure cap and into the recovery
bottle. As engine coolant temperature decreases the
contracting (cooled) coolant is drawn back up from the
tank past the pressure cap and into the radiator.

NOTE
Some coolant level drop on new machines is normal as
the system is purging itself of trapped air. Observe
coolant levels often during break-in period.
Overheating of engine could occur if air is not fully
purged from system.
Polaris Premium 50/50 Antifreeze is premixed and
ready to use. Do not dilute with water.

COOLANT STRENGTH 1. Position the vehicle on a level surface.
Test the strength of the coolant using an antifreeze 2. Remove the top rear close-off panel.
hydrometer. 3. View coolant level in the recovery bottle.
4. If the coolant level is below the MIN line, inspect
coolant level in radiator.
NOTE
If overheating is evident, allow system to cool
completely and check coolant level in the radiator and
inspect for signs of trapped air in system.

WARNING

Never remove the pressure cap when the engine is
warm or hot. Escaping steam can cause severe burns.
The engine must be cool before removing the pressure
cap.

5. Remove the pressure cap. Using a funnel, add
• A 50/50 mixture of antifreeze and distilled water will coolant to the top of the filler neck.
provide the optimum cooling, corrosion protection, and 6. Reinstall pressure cap.
antifreeze protection.
• Do not use tap water, straight antifreeze or straight NOTE
water in the system. Tap water contains minerals and Use of a non-standard pressure cap will not allow the
impurities which build up in the system. recovery system to function properly.
• Straight water or antifreeze may cause the system to
freeze, corrode, or overheat.
7. Remove recovery bottle cap and add coolant using a
Recommended Coolant: funnel.
Polaris 50/50 Extended Life Anti-freeze
2880514 (quart)
2880513 (gallon)

9928689 - 2018 RZR RS1 Service Manual 2.35
© Copyright Polaris Industries Inc.