126
2. Using the following procedure, inspect the thermostat
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 with seal into the thermostat
housing; then secure the thermostat housing to the
cylinder head with the two cap screws.
PR281A
2. Fill the cooling system with the recommended
amount of antifreeze. Check for leakage.
Fan
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 in the upper-right
position.
2. Install the radiator.
Water Pump
NOTE: The water pump is not a serviceable com-
ponent. If the pump is defective or if the mechani-
cal seal is leaking (coolant dripping from the
discharge hole), the water pump must be replaced.
REMOVING
1. Remove the radiator cap; then remove the water pump
coolant drain plug and drain the coolant.
PR122A
2. Drain the oil from the engine/transmission.
3. Remove the seat and seat base.
4. Loosen the coolant hose clamps and slide the clamps
away from the hose ends.
PR132
5. Remove the two cap screws securing the water pump
to the engine; then remove the water pump.
CC786A
CAUTION
When installing the thermostat, make sure the bleed
holes are straight up and down or air will remain
trapped causing engine damage due to overheating.
Summary of Contents for PROWLER HDX 2015
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