2
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
2.29
RADIATOR INSPECTION / CLEANING
1. Check radiator
q
air passages for restrictions or
damage.
2. Carefully straighten any bent radiator fins.
3. Remove any obstructions with low pressure
compressed air or low pressure water.
CAUTION
Washing the vehicle with a high-pressure washer could
damage the radiator fins and impair the radiators
effectiveness. Use of a high-pressure washer is not
recommended.
COOLANT DRAIN / FILL
1. Remove the front bumper and winch cover plate.
WARNING
Never drain the coolant when the engine and radiator
are warm or hot. Hot coolant can cause severe burns.
Allow engine and radiator to cool.
2. Slowly remove the pressure cap to relieve any
cooling system pressure.
3. Place a suitable drain pan underneath the radiator
fitting on the front right side of the vehicle.
4. Drain the coolant from the radiator by removing the
lower coolant hose from the radiator as shown
q
.
5. Allow coolant to drain completely. Properly dispose of
the used coolant.
6. To drain the coolant from the engine, remove the
hose
q
from the water pump cover
w
on the engine.
7. Reinstall coolant hoses on the engine and radiator.
Reposition the spring and gear clamps on the hoses.
Tighten gear clamp.
8. Remove the pressure cap. Using a funnel, add
recommended coolant to the top of the filler neck and
fill the recovery bottle to the max level.
9. See Cooling System Bleeding page
FLUID CAPACITY
Recommended Coolant:
50/50 Extended Life Antifreeze
2880514 (Quart)
2880513 (Gallon)
2880512 (Drum)
MAINTENANCE