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MAINTENANCE
4. Remove the cargo box engine access panel.
5. Place a drain pan below the engine to catch any
coolant out of the engine bleed hole.
6. Crack open the coolant bleed screw
located above the exhaust head pipe on the PTO
side.
Remove the heat shield on top of the engine for better
access to the bleed screw
7. As soon as there is no more air coming out of the
engine bleeder (no bubbles), close the bleed screw.
8. Fill the coolant bottle to the FULL COLD line.
9. Leave the pressure cap off and allow the engine to
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.
2.40
r
on the engine,
NOTE
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.
CHARGE AIR COOLING SYSTEM BLEEDING
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. The electric pump should be strong enough to purge
a small volume of air.
3. Run the engine for a few minutes to allow the electric
pump to push coolant through the system.
4. Fill the coolant reservoir bottle to the FULL COLD
line.
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
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Troubleshooting
