3.86
9850045 R01 - 2020-2021 RANGER 1000 Service Manual
© Copyright Polaris Inc.
3. Install the inlet
w
and outlet
e
coolant hoses onto
the oil cooler. Slide the hose clamps
q
over the ends
of the hoses to secure them to the oil cooler.
IMPORTANT
Ensure proper orientation of the inlet and outlet hoses.
Refer to Cooling System Assembly View page 3.77.
4. Fill and bleed the cooling system. Refer to Coolant
Service page 3.80.
IMPORTANT
Ensure no leaks are present. Refer to Cooling System
Pressure Test page 3.81 as needed.
5. Remove the headpipe assembly. Refer to Headpipe
Service page 3.22.
6. Top off engine oil as needed. Refer to Engine Oil
Level Inspection.
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. See Cooling System Pressure Test page
3.81
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.
ENGINE / COOLING / EXHAUST
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