Thermostat - Arctic Cat PROWLER HDX 2015 Service Manual

5. Remove the two shoulder bolts and nuts securing the
radiator to the frame; then disconnect the upper and
lower coolant hoses.
6. Lift the radiator assembly from the vehicle. Account for
two upper and two lower rubber mounting grommets.
CLEANING AND INSPECTING
1. Flush the radiator with water to remove any contami-
nants.
2. Inspect the radiator for leaks and damage.
3. Inspect all hoses for cracks and deterioration.
4. Inspect all fasteners and grommets for damage or wear.
INSTALLING
1. Place the radiator into position making sure the grom-
mets are correctly installed; then secure to the mounts
with the two shoulder bolts and nuts. Tighten securely.
2. Connect the upper and lower coolant hoses to the
radiator and secure with the appropriate hose clamps;
then connect the cooling fan wire connector to the
main harness.
3. Open the high-point bleed screw on the thermostat
housing to allow trapped air to escape. Tighten
securely after filling.
PR184A
4. Pour the recommended coolant into the radiator and
secure the radiator cap.
5. On models with a storage box, place the storage box
into position and using a smooth, flat pry-bar, pry the
center of the box past the dash mount; then secure
with the appropriate fasteners.
6. Install the two sheet metal screws in the dash.
Tighten securely.
7. Start the engine and warm up to operating tempera-
ture; then verify the coolant level is at the bottom of
the stand pipe in the radiator neck. Add coolant as
necessary.
PR184A
REMOVING
1. Drain approximately one quart of coolant from the
cooling system.
2. Remove the two cap screws securing the thermostat
housing to the cylinder head. Account for a thermo-
stat with seal.
INSPECTING
1. Inspect the thermostat for corrosion, wear, or spring
damage.

Thermostat

PR183A
PR187
125