Thermostat Replacement - Polaris Ranger RZR XP 900 2011 Service Manual

ENGINE I COOLING
10. Reverse this procedure for installation. Be sure to properly
fill and bleed cooling system as outlined in this chapter.
I
6. Remove the cargo box access panel.
7. Using an 8 mm swivel socket and long extension, remove
the front bolt (C) retaining the thermostat cover.
Radiator
o
Lower
Radiator Hose
Upper
Radiator Hose
/
,~._
To Reoo,",>, Bome
f-rr
b
<::~
"-To Radiator Fitting
j;"d
11
A-"'"'
11
(Y \
I .
Fan Motor Asm.
!\ ~ ~
l / \
~/~o~
/
e-~~
11-
Recovery Bottle
8. Lift the cover from the housing and remove the thermostat.
Thermostat Replacement
NOTE: Thermostat has a pop-off relief to allow the
bypass system to operate until thermostat opens.
1. Remove the hood from the front cab.
A
WARNING
The cooling system is under pressure and
serious burns may result.
Allow the engine to cool before servicing.
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. Remove upper coolant hose from thermostat housing (A).
5. Remove the rear bolt (B) retaining the thermostat cover.
9. Install a new thermostat with the bleed hole (D) positioned
closest to the engine.
NOTE: Image shown above is with engine removed
for clarity.
10. Reverse this procedure for installation. Torque thermostat
cover bolts to specification.
C
=T
Thermostat Cover Bolts:
89
±
9 in. Ibs. (10
±
1 Nm)
11. Be sure to properly fill and bleed cooling system as outlined
in this chapter.
3.15
9923144 - 2011 RANGER RZR XP 900 Service Manual
© Copyright 2011 Polaris Sales Inc.