Water Pump - Arctic Cat XC 450i 2012 Service Manual

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1. Inspect the thermostat for corrosion or spring damage.
2. Using the following procedure, inspect the thermo-
stat for proper operation.
A. Suspend the thermostat in a container filled
with water.
B. Heat the water and monitor the temperature
with a thermometer.
C. The thermostat should start to open at 71-86° C
(160-187° F).
D. If the thermostat does not open, it must be
replaced.
3. Inspect all coolant hoses, connections, and clamps
for deterioration, cracks, and wear.
 NOTE: All coolant hoses and clamps should be
replaced every four years or 4000 miles.
Installing
1. Place the thermostat and O-ring into the thermostat
housing; then secure the thermostat housing to the
mounting bracket with the two cap screws.
2. Fill the cooling system to the recommended level
with antifreeze. Check for leakage.

WATER PUMP

 NOTE: The water pump is a non-serviceable compo-
nent. It must be replaced as an assembly.
Removing
1. Remove the radiator cap; then remove the water
pump drain and drain the coolant.
2. Drain the oil from the engine/transmission.
3. Remove the four torx-head cap screws securing the
front and rear fenders to the footrest; then remove the
four cap screws securing the footrest to the frame.
Remove the footrest.
4. Loosen the hose clamps and slide the clamps away
from the hose ends approximately 2 in.; then remove
the hoses from the water pump.
5. Remove the four cap screws securing the water
pump to the engine; then remove the water pump.
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Installing
1. Secure the water pump to the engine with the four
cap screws tightened to 8 ft-lb.
2. Connect the coolant hoses to the water pump and
secure with the clamps. Tighten securely.
3. Place the footrest into position on the frame and
FI530A
loosely secure with four cap screws; then secure the
front and rear fenders to the footrest with the four
torx-head cap screws. Tighten the four torx-head cap
screws securely; then tighten the remaining cap
screws to 20 ft-lb.
4. Fill the engine/transmission with the proper amount
of recommended oil.
5. Fill the cooling system with the proper amount of
recommended coolant.
Manual
Table of Contents
FI538A
FI538A
FI530