Page 122 - Manual_Polaris_RZR_ProXP-20-21

MAINTENANCE

6. If coolant was required, start engine and check for COOLANT HOSE INSPECTION
leaks. Make sure radiator fins are clean to prevent
overheating. 1. Inspect all radiator coolant hoses for cracks,
deterioration, abrasion or leaks. Replace if necessary.

COOLING SYSTEM PRESSURE TEST
1. Remove coolant bottle access panel.
2. Remove pressure cap q and pressure test the cap
using a commercially available pressure tester. The
pressure cap relief pressure is 13 psi. Replace the
cap if it does not meet this specification.

WARNING
Never remove pressure cap when engine is warm or
hot. The cooling system is under pressure and serious
burns may result. Allow the engine to cool before
servicing.

q Charge Air Radiator Hoses
3. To test the cooling system, connect the pressure
tester to the cooling neck w with the correct adapter. w System Overflow Hoses

e Engine Coolant Hoses

2. Inspect all engine hoses for cracks, deterioration,
abrasion, or leaks. Replace if necessary.

4. The system must maintain 10 psi for five minutes or
longer. If pressure loss is evident within five minutes,
check the filler neck, radiator, hoses, clamps and
water pump weep hole for leakage.

r Charge Air Cooler Hoses
t Water Pump Hoses

y Oil Cooler Coolant Hoses
u Turbo Inlet Hose
i Turbo Outlet Hose
o Cylinder Head Vent Hose

3. Check tightness and condition of all hose spring
clamps. Replace if necessary.

2.36 9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.