Polaris GENERAL 2018 - Thermostat Replacement

3
9929375 R02 - 2016-2019 GENERAL / GENERAL 4 Service Manual
© Copyright Polaris Industries Inc.
3.93
THERMOSTAT REPLACEMENT
1. Remove the hood from the front cab.
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. Refer to “Cooling System Pressure Cap
Test”page 3.91 procedure.
3. Drain coolant to a level below the thermostat housing.
4. Remove upper coolant hose from thermostat housing
q
.
5. Remove the rear bolt
w
retaining the thermostat
cover.
6. Remove the cargo box access panel.
7. Using an 8 mm swivel socket and long extension,
remove the front bolt
e
retaining the thermostat
cover.
8. Lift the cover from the housing and remove the
thermostat.
NOTICE
Thermostat has a pop-off relief to allow the bypass
system to operate until thermostat opens.
9. Install a new thermostat with the bleed hole
r
positioned closest to the engine.
NOTICE
Image shown above is with engine removed for clarity.
10.Reverse this procedure for installation. Torque
thermostat cover bolts to specification.
TORQUE
Thermostat Cover Bolts:
7 lb-ft (10 Nm)
11. Be sure to properly fill and bleed cooling system as
outlined in this chapter.
ENGINE / COOLING SYSTEM