3.24
9928485 R01 - 2017-2018 RANGER 500 / 570 Service Manual
© Copyright Polaris Industries Inc.
PRESSURE CAP TEST
1. Open the hood (see “WARNING” under “Cooling
System Pressure Test”).
2. Remove pressure cap
q
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
1. Check radiator air passages for restrictions or
damage.
2. Carefully straighten any bent radiator fins.
3. Remove any obstructions with compressed air or low
pressure water.
CAUTION
Washing the vehicle with a high-pressure washer could
damage the radiator fins and impair the radiators
effectiveness. Use of a high-pressure washer is not
recommended.
ENGINE / COOLING SYSTEM
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