Snowmobile Polaris 600 RUSH (2010 year). Manual - part 24

3.46

Engine/Cooling/Exhaust

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

2012 800 RUSH/Switchback Cooling System

NOTE: Front heat exchanger circuit always active. 
Front tunnel cooler, tunnel cooler, and mid-flap cooler 
only active when thermostat is open.




Models feature 2mm thermostat bleed hole.




Thermostat opening temperature is 120° F (49° C).

REAR TUNNEL COOLER 

FRONT TUNNEL COOLER 

SURGE BOTTLE

HOSE (CYLINDER BYPASS

HEAT EXCHANGER 

HOSE (THROTTLE BODY-TO-SURGE TANK) 

HOSE (SURGE TANK-TO-WATER PUMP) 

WATER PUMP COVER 

BARBED NOZZLE 

-TO-HEAT EXCHANGER) 

HOSE (THERMOSTAT OUTLET-TO REAR COOLERS)

MID FLAP COOLER 

3.47

Engine/Cooling/Exhaust

3

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

Pro-Ride Switchback Assault/RMK Cooling System

NOTE:  Front tunnel cooler circuit always active. Rear 
tunnel coolers only active when thermostat is open.




Models feature 3.5mm thermostat bleed hole.




Thermostat opening temperature is 120° F (49° C).

REAR TUNNEL COOLER 

SURGE BOTTLE

HOSE (FRONT COOLER

HOSE (THROTTLE BODY

HOSE (SURGE TANK-TO-WATER PUMP) 

TO-SURGE TANK) 

-TO-SURGE TANK) 

HOSE (SURGE TANK
-TO-WATER PUMP) 

HOSE (THERMOSTAT OUTLET-TO REAR COOLERS)

HOSE (HEAD BYPASS-TO
FRONT TUNNEL COOLER) 

3.48

Engine/Cooling/Exhaust

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

Pro-Ride PRO RMK/RMK Assault Cooling System

NOTE:  Models feature 3.5mm thermostat bleed hole. 
Cylinder head outlet plugged.




Thermostat opening temperature is 120° F (49° C).

SURGE BOTTLE

HOSE (THROTTLE BODY-TO-SURGE TANK) 

HOSE (SURGE TANK-TO-WATER PUMP) 

HOSE (THERMOSTAT OUT-TO-TUNNEL COOLERS) 

3.49

Engine/Cooling/Exhaust

3

9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual

© 2011 Polaris Sales Inc.

Front Heat Exchanger Service

1.

Remove the left and right door panels. Remove the 
hood assembly.

2.

Remove the exhaust pipe.

3.

Drill out and remove the rivets that attach the air dam 
plate to the bulkhead, and the two rivets that attach 
the nosepan to the plate.

4.

Remove the screw attaching the bumper to the heat 
exchanger. Loosen the two rear bumper screws.

5.

Drill out the rivets that attach the bumper to the 
nosepan.

6.

Rotate the bumper up and away from the nosepan.

7.

Locate the lower exchanger fastener. 

8.

Remove the bottom heat exchanger fastener.

9.

Pinch-off the coolant in and out hoses using dedicated 
hose pinchers or soft-jawed pliers.

10. Remove the two heat exchanger hose clamps. 

Remove the heat exchanger from the bulkhead.

11. Reverse the disassembly process to install the heat 

exchanger and bumper.

12. Add engine coolant to the surge bottle. Bleed the 

cooling system. See “Cooling System Bleeding” on 
page 2.10.

LOOSEN REAR SCREWS 

REMOVE THIS SCREW 

AIR DAM PLATE 

NOSE PAN 

BOTTOM FASTENER