Polaris RZR RS1 2019 Owner's Manual page 110

MAINTENANCE
RADIATOR COOLANT LEVEL / CHANGING COOLANT
This procedure is required only if the cooling system has been drained for
maintenance and/or repair.
Escaping steam can cause burns. Never remove the pressure cap while the
engine is warm or hot. Always allow the engine to cool before removing the
1. Remove the radiator cap access panel
2. Slowly remove the radiator pressure cap
3. Use a funnel and slowly add coolant as needed.
4. Before reinstalling the pressure cap, bleed the system of trapped air. Locate
the coolant bleed screw on the engine above the exhaust head pipe. Use a
socket wrench to turn the bleed screw slightly, allowing the air to escape.
Slowly add additional coolant to the pressure tank until air no longer escapes
and only coolant flows from the bleed hole, then tighten the bleed screw.
5. Reinstall the pressure cap.
Use of a non-standard pressure cap will not allow the recovery system to
function properly. Your POLARIS dealer can provide the correct replacement
108
CAUTION
pressure cap.
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