3.16
ENGINE / COOLING SYSTEM
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Pressure Cap Test
1. Remove th e ho od fro m th e fro nt cab (see
“WARNING” under “Cooling System Pressure Test”).
2. Remove pressure cap (A) and test using a pressure
cap
tester (commercially available).
3. The pressure cap r elief pressure is 13 psi. Re place
cap
if it does not meet this specification.
Radiator
1. Check ra diator (A) air passages for r estrictions or
damage.
2. Carefully straighten any bent radiator fins.
3. Remove any obstructions wit
h compressed air or low
pressure water.
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.
A
Flush radiator fins
in this direction