3
9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
3.11
9. Reverse this procedure for installation. Be sure to
properly fill and bleed cooling system. (see Chapter 3
– Cooling System Bleeding Procedure page
r
Upper Radiator Hose
t
Lower Radiator Hose
y
Coolant Reservoir
u
Reservoir Hose (to radiator)
i
Fan Motor Control
o
Radiator
THERMOSTAT REPLACEMENT
1. Remove the hood.
2. Remove the pressure cap
q
to relieve any system
pressure.
WARNING
Escaping stead can cause burns. Never remove the
pressure cap while the engine is warm or hot. Always
allow the engine to cool before removing the pressure
cap.
3. Remove the lower radiator hose
w
and drain coolant
to a level below the thermostat housing.
4. Loosen the hose clamp
e
and remove the coolant
hose from the thermostat cover.
5. Remove the two bolts
r
that retain the thermostat
cover to the engine.
ENGINE / COOLING SYSTEM