2.27
MAINTENANCE
2
9923523 - RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Coolant Strength / Type
Test th e str ength of the co olant u sing a n an tifreeze
hydrometer.
• A 50/50 or 60/40 mixture of antifre
eze and distilled
water will provide the optimum c ooling, corrosion
protection, and antifreeze protection.
• Do n ot use t ap water , stra ight a ntifreeze, or
stra
ight water in th e system. T ap water co ntains
minerals an d impu rities wh ich build up in the
system.
• Straight water or antifree
ze may cause the system
to freeze, corrode, or overheat.
Cooling System
1. Inspect all hoses for cracks, d eterioration, a brasion
or leaks. Replace if necessary.
2. Check tightness of all hose clamps.
Coolant Drain / Fill
Coolant Drain
1. Remove the hood from the front cab.
2. Slowly remove the pressure cap to relieve any cooling
syst
em pressure.
3. Place a su itable drain pan underneath the rad iator
fitting on
the front right-hand side of the vehicle.
4. Drain the coolant from the radiator by rem oving the
l
ower co olant ho se fro m the ra diator a s shown.
Properly dispose of the coolant.
5. Allow coolant to completely drain.
6. Place a su itable d rain pan underneath t he lo wer
e
ngine hose on the right-hand rear side of the vehicle.
Polaris Premium Antifreeze
2871534 - Quart
2871323 - Gallon
Do not over-tighten hose clamps at radiator,
or radiator fitting may distort, causing a
restriction to coolant flow.
Radiator hose clamp torque is 36 in. lbs. (4 Nm).
Never drain the coolant when the engine and
radiator are warm or hot. Hot coolant can cause
severe burns. Allow engine and radiator to cool.
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