Page 240 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

COOLING SYSTEM PRESSURE TEST 3. Remove any obstructions with compressed air or low
pressure water.
1. Remove the center cover under the front rack.
CAUTION
WARNING
Washing the vehicle with a high-pressure washer could
Never remove pressure cap when engine is warm or damage the radiator fins and impair the radiators
hot. The cooling system is under pressure and serious effectiveness. Use of a high-pressure washer is not
burns may result. recommended.
Allow the engine to cool before servicing.

2. Remove pressure cap and pressure test the cooling
system using a commercially available pressure
tester. COOLANT DRAIN / RADIATOR REMOVAL
Coolant Drain
3. The system must maintain 10 psi for five minutes or
longer. If pressure loss is evident within five minutes, 1. Remove the center cover from the front cab.
check the filler neck, radiator, hoses, clamps and
water pump weep hole for leakage. WARNING
Never drain the coolant when the engine and radiator
are warm or hot. Hot coolant can cause severe burns.
PRESSURE CAP TEST Allow engine and radiator to cool.
1. Remove the hood from the front cab (see
“WARNING” under “Cooling System Pressure Test”). 2. Slowly remove the pressure cap q to relieve any
cooling system pressure.
2. Remove pressure cap and test using a pressure cap
tester (commercially available).
3. The pressure cap relief pressure is 13 psi. Replace
cap if it does not meet this specification.
RADIATOR

3. Place a suitable drain pan underneath the water
pump inlet housing on the front right-hand side of the
vehicle.
4. Drain the coolant from the cooling system by
removing the lower coolant hose from the water
pump housing then the lower radiator outlet w as
REF DESCRIPTION shown. Properly dispose of the coolant.
q Fan Motor 5. Allow coolant to completely drain.
w Shroud 6. Place a suitable drain pan underneath the lower
engine hose on the right-hand rear side of the
e Radiator vehicle.

1. Check radiator air passages for restrictions or 7. Remove the hose and completely drain the engine.
damage. Radiator Removal
2. Carefully straighten any bent radiator fins. 1. Remove the front bumper.

3.118 9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual
© Copyright Polaris Industries Inc.