3.22
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
COOLING SYSTEM BLEEDING
1. Turn the engine off and place the vehicle in PARK.
2. Open the front box cover and remove the front
storage bin from the vehicle.
3. Remove radiator pressure cap
w
.
WARNING
Never remove pressure cap when engine is warm or
hot. The cooling system is under pressure and serious
burns may result. Allow the engine to cool before
servicing.
4. Fill system with approved coolant to the top of the
filler neck.
5. Remove the engine access panel.
6. Open the bleed screw
e
to allow any trapped air to
escape.
7. Tighten the bleed screw, top off coolant and properly
install the pressure cap.
TORQUE
Coolant Bleed Screw:
89 in-lb (10 Nm)
8. Start the engine and allow it to idle until the cooling
fan has cycled two times.
9. Allow engine and coolant system to completely cool
down.
10.Remove the radiator pressure cap. Add the
necessary amount of Polaris Premium Antifreeze to
the radiator.
11. Open the bleed screw to allow any trapped air to
escape. Close the bleed screw once a steady stream
of coolant begins to drain out.
12.Tighten the bleed screw, top off coolant and properly
install the pressure cap.
TORQUE
Coolant Bleed Screw:
89 in-lb (10 Nm)
13.Fill the recovery bottle to the MAX line.
14.Reinstall the engine access panel and front storage
bin.
15.Test drive to confirm proper cooling system operation.
ENGINE / COOLING SYSTEM
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