Page 125 - Manual_Polaris_RZR_ProXP-20-21

MAINTENANCE

6. Crack open the coolant bleed screw r on the engine, CHARGE AIR COOLING SYSTEM
located above the exhaust head pipe on the PTO BLEEDING
side.
1. Remove the inlet hose going to the charge air cooler.
Ensure the hose and the charge air cooler are full of
coolant. Fill as required.
2

NOTICE
Remove the heat shield on top of the engine for better
access to the bleed screw
2. The electric pump should be strong enough to purge
a small volume of air.
7. As soon as there is no more air coming out of the
engine bleeder (no bubbles), close the bleed screw. 3. Run the engine for a few minutes to allow the electric
pump to push coolant through the system.
8. Fill the coolant bottle to the FULL COLD line.
4. Fill the coolant reservoir bottle to the FULL COLD
9. Leave the pressure cap off and allow the engine to line.
warm up to operating temp (thermostat open).
10.If the coolant volume in the reservoir rapidly expands
and wants to fill the bottle, crack the bleed screw on
the engine again once the engine cools down.

CAUTION
Escaping coolant/steam can cause burns. Always allow
the engine to cool before opening the bleed screw.

11. Warm the engine up to operating temperature again.
The engine should take 3-5 minutes to warm up and
the fan should cycle normally if all the air has been
purged from the system.

9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 2.39
© Copyright Polaris Industries Inc.