Cooling System Specifications; Cooling System Pressure Test; Radiator Cap Pressure Test; Radiator Removal / Installation - Polaris 2015 RZR 900 Service Manual

ENGINE / COOLING SYSTEM
ENGINE COOLING SYSTEM

Cooling System Specifications

CONDITION
Thermostat Starts to
Open
Fan Shuts Off
Fan Turns On
Thermostat Fully Open
Engine Temperature
Overheat Indicator
Engine Protection Level 1
– Power Limit
Engine Protection –
Ignition Misfire
Engine Protection Level 2
– Power Limit
Engine Shutdown
Protection
ITEM
Cooling System Capacity
Pressure Cap Relief
PolarisAntifreeze
2880514 – Quart
2880513 – Gallon

Cooling System Pressure Test

1. Remove the hood from the front cab.
WARNING
Escaping steam 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
2. Remove the pressure cap from the radiator and
pressure test the
commercially available tester.
3. The system must maintain 10 PSI for five minutes or
longer. If pressure loss is evident within five minutes,
check the radiator, all cooling system hoses, clamps
and water pump seal for signs of leaking.
3.12
COOLANT TEMP
180° F (82° C)
192° F (89° C)
198° F (92° C)
203° F (95° C)
232° F (111° C)
232° F (111° C)
237° F (114° C)
244° F (118° C)
252° F (122° C)
SPECIFICATION
4.9 qts (4.6 L)
13 PSI
cap.
cooling system using
9925723 R01 - 2015 RZR 900 Service Manual
© Copyright 2014 Polaris Industries Inc.

Radiator Cap Pressure Test

1. Open the front hood.
Escaping steam 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
2. Remove radiator pressure cap and test using a
commercially available pressure cap tester.
3. Replace cap if it does not meet the specification.
Radiator Cap Pressure Relief

Radiator Removal / Installation

NOTE: This procedure should also be followed for
radiator fan replacement.
1. Remove the hood and front bumper. (see Chapter 10
– Front Bumper Removal, page 10.12)
2. Remove the four fasteners retaining the front bumper
support to the main frame.
a
WARNING
cap.
13 PSI