Thermostat; Fans; Water Pump - Arctic Cat WILDCAT X Service Manual

Thermostat

REMOVING

NOTE: The thermostat is located in a housing
in-line with the upper radiator hoses under the radia-
tor/fan assembly.
1. Clamp off the coolant hoses and place an absorbent
towel under the thermostat.
2. Remove the four machine screws securing the ther-
mostat housing together. Remove the thermostat and
account for an O-ring.
INSPECTING
1. Inspect the thermostat for corrosion or spring dam-
age.
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 71.0-86.0° 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 together
with the four machine screws.
2. Remove the clamp and fill the cooling system with
the recommended amount of antifreeze. Check for
leakage.

Fans

REMOVING
1. Remove the radiator.
2. Remove the fan assembly from the radiator.
INSTALLING
1. Position the fan assembly on the radiator; then secure
with existing hardware.

NOTE: The fan wiring must be directed downward.
2. Install the radiator.
94

Water Pump


NOTE: The water pump is a non-serviceable com-
ponent. It must be replaced as an assembly.
REMOVING
1. Clamp off and remove the coolant hoses from the
water pump; then remove two cap screws securing
the water pump to the crankcase.
GZ230A

NOTE: Always use a large container and have suffi-
cient floor drying material available when draining
the coolant in case of coolant spillage.
2. Remove the water pump from the engine.
INSTALLING
1. Install a new O-ring (A) onto the water pump and
lightly coat with clean engine oil.
GZ252E
2. Install the water pump assembly onto the engine
aligning the flat drive on the water pump to the slot
in the driven gear shaft (B).
CAUTION
Do not force the water pump housing into the crankcase
or sever engine damage may occur.
3. Secure the water pump with the two cap screws and
tighten securely; then connect the coolant hoses and
secure with hose clamps. Release the clamps used in
removing.

NOTE: The longer cap screw goes on top of the
water pump.