Snowmobile Polaris 600 IQ Widetrak (2017 year). Instruction - part 21

 

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Snowmobile Polaris 600 IQ Widetrak (2017 year). Instruction - part 21

 

 

87

MAINTENANCE

Cooling System

Coolant High Temperature Indicator Light

The high temperature indicator light will illuminate when engine 
coolant temperature becomes too hot for safe continued operation of the 
engine. If you must drive your machine after the high temperature 
indicator light has come on, drive slowly and stop frequently to allow 
the engine to cool down. Driving in deep snow will also help cool the 
engine. See your dealer for service. 

Add coolant if the level is low. Engine performance will be reduced if 
you continue operating when the high temperature light is on.

Flushing the Cooling System

To ensure that the coolant maintains its ability to protect the engine, we 
recommend that the system be completely drained every five (5) years 
and fresh Antifreeze 50/50 Premix added. Have your POLARIS dealer 
perform this service.

88

MAINTENANCE

Cooling System

Bleeding the Cooling System

CAUTION! Steam and hot liquids will cause burns to your skin. Never bleed the 
cooling system or remove the pressure cap when the engine is warm or hot.

Use of a non-standard pressure cap will not allow the recovery system to 
function properly. If the pressure cap needs replacement, contact your 
dealer for the correct part.

NOTICE: If coolant flow becomes restricted or plugged, coolant loss, air lock or 

engine damage may result. Most cooling systems are equipped with a 
filter that should be periodically inspected or replaced.

Perform the bleeding procedure when the engine is cold.

1. Position the vehicle so that the top of the tunnel is level. Elevate the 

front of the vehicle slightly if necessary.

2. Place the transmission in neutral.

3. Remove the pressure cap and fill the coolant bottle with properly 

mixed coolant to the maximum mark.

4. Remove the bleed screw from the water outlet manifold and/or the 

thermostat housing. Allow the coolant to bleed through the system 
until it runs out the bleed holes. Reinstall the bleed screw into the 
manifold.

5. Add coolant to the coolant bottle to the maximum mark.

6. Start the engine and run at a fast idle for two to three minutes. 

Loosen the bleed screw occasionally to purge any trapped air.

7. Stop the engine and check the coolant bottle level. Fill as required.

8. Feel the heat exchangers under the tunnel. If the system is bled 

properly, they'll be warm to the touch. If they're not, repeat step 6. 
Lift the front of the machine slightly to assist in the bleeding.

9. Replace the pressure cap and carefully lower the front end of the 

machine.

89

MAINTENANCE

Brakes

Hydraulic Brake Inspection

Inspect the brake lever reserve before each use of the snowmobile. See 
page 57.

Brake pads must be replaced when the brake pad material becomes 
thinner than the backing plate, approximately 1/16” (1.5 mm). A kit is 
available for replacing brake pads. See your dealer.

WARNING! Brake failure during operation can result in serious injury or death. 
Be sure the brake pads do not drag on the disc and that brake lever travel is not 
excessive. Always replace brake pads when the brake pad material becomes 
thinner than the backing plate, approximately 1/16” (1.5mm).

Brake Components

• Brake Caliper

• Gearcase

• Brake  Disc

• Backing Plate

• Brake Pad Material - 

Replace when thickness 
is less than 1/16" (1.5 
mm).

Brake Disc

Backing 

Plate

Brake Pad 

Material

Gearcase

Brake 

Caliper

90

MAINTENANCE

Brakes

Brake Fluid

After opening a bottle of brake fluid, always discard any unused portion. Never 
store or use a partial bottle. Brake fluid is hygroscopic, meaning it rapidly 
absorbs moisture from the air. The moisture causes the boiling temperature of 
the brake fluid to drop, which can lead to early brake fade and the possibility of 
accident or serious injury.

Keep the master cylinder cover free of dirt and debris. The vent slits allow for 
diaphragm movement, and if they become plugged, movement of brake fluid 
below the diaphragm may be restricted, altering brake function.

NOTICE: Brake fluid will damage decals, paint and some plastics. Always wipe 

up spills immediately.

Check the brake fluid in the mas-
ter cylinder before each ride.

View the brake fluid level through 
the sight glass on the top of the 
master cylinder. The eye will 
appear dark when the fluid level is 
full. If the sight glass is any color 
other than black, add brake fluid.

1. Position the handlebars so the 

master cylinder is level.

2. Remove the master cylinder 

cover.

3. Add DOT 4 brake fluid only. Do not overfill. See page 116 for the 

part numbers of POLARIS products.

WARNING

Sight 

Glass

Master 

Cylinder

 

 

 

 

 

 

 

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