2.38
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
RADIATOR INSPECTION / CLEANING
1. Check engine radiator
q
air passages for restrictions
or damage.
NOTE
The cooling fins are viewable by looking around the
diverter plate
w
on the top of the radiator.
2. Carefully straighten any bent radiator fins.
3. Also check the charge air radiator
e
fins for
restrictions or damage.
4. 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 FLUSH
1. Allow the vehicle to cool down before working with
the cooling system.
CAUTION
Escaping steam/coolant can cause burns. Never
remove the pressure cap or coolant hose while the
engine is warm/hot.
2. Place a drain pan below the engine water pump
q
and the charge air cooler water pump
w
.
NOTE
Shock guard is hidden for clarity.
3. Remove the pressure cap from the coolant reservoir.
4. Remove a coolant hose from both water pumps and
allow the vehicle to completely drain.
NOTE
You may need to elevate the front of the vehicle to allow
all coolant to drain from the radiators and then elevate
the rear of the vehicle to allow coolant to drain from the
engine and charge air cooler.
5. A wet vac may also be used to evacuate coolant from
the system.
6. Connect the coolant hoses at both water pumps and
properly position the clamps..
7. Ensure the transmission is in park and chock the rear
tires.
MAINTENANCE
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