Thermostat Replacement - Polaris RANGER 500 2017 Service Manual

9. Remove the two upper radiator retaining bolts
10. Disconnect the fan motor and remove the radiator
from the vehicle. Take care not to damage the
cooling fins.
11. Reverse procedure for installation.
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
e

THERMOSTAT REPLACEMENT

.
1. Open the hood.
Allow the engine to cool before servicing. The cooling
system is under pressure and serious burns may result.
2. Remove the pressure cap to relieve any system
pressure (see "Pressure Cap Test").
3. Drain coolant to a level below the thermostat
housing.
4. Tilt the cargo box.
5. Remove the two bolts
cover.
6. Lift the cover from the engine and remove the
thermostat.
7. Reverse this procedure for installation. Replace
thermostat seal if worn or damaged. Torque
thermostat cover bolts to specification.
Thermostat Cover Bolts:
8. Be sure to properly fill and bleed cooling system as
outlined in this chapter.
ENGINE / COOLING SYSTEM
WARNING
q
retaining the thermostat
TORQUE
8 ft-lbs (10 Nm)
3
3.23