2007-2008 Polaris IQ Snowmobiles Service Manual, Page 65Get this manual
Maintenance 11Verify that all of the coolers are warm, including the tunnellength cooling systemTurn off the engine once the tunnel coolers are sufficiently warmed-upRelease the parking brakegoing to be replaced, insert the two oil pump cable wrenches between the bulkhead and the rear of the engine10If the oil pump lever requires adjustment or the cable is going to be replaced, insert the two oil pump cable wrenches between the bulkhead and the rear of the engineNOTE: The wrench with the large opening is designed to fit around the cable sheath, while the wrench with the small opening is designed to fit around the inner cable wire
CAUTION
Always verify all tunnel coolersradiator are warm to the touchA tunnel cooler or return hose that is significantly "colder" than another cooler or hose is an indication of trapped air within the cooling system12Allow time for the coolant temperature to coolRe-check the coolant level in the surge tankAdd more coolant if required