2004 Bombardier Outlander 330/400 Factory Service Manual, Page 59Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
SYMPTOM CONDITION TestInspection
HIGH ENGINE OPERATING TEMPERATURENORMAL USE10Check cooling fan and connectionaFan motor faultyReplacebWire harness is brittle or hard (no connection)Replace11Check cylinder head andor cylinder base gasketaWorn out gasket(s) is (are) causing water leakageReplace gasket(s) and refill with coolant and oil (refer to COOLINGLUBRICATION SYSTEM and TECHNICAL DATA)12Check intermediate gear(s) behind magneto coveraWorn out andor broken gear(s) is (are) causing less coolant supplyReplace worn out andor broken gear(s) (refer to LUBRICATIONMAGNETO SYSTEM)13Check radiator fan switch and fuse 20AaFaulty fan switch andor faulty fuseReplace defective part(s)14Check radiator condition for leakageaRadiator cracked or deformedReplace radiator15Check muddust in radiator finsaRadiator fin obstructed, hard air coolingClean radiator fins 16Check if water pump shaft is seizedaWater pump shaft does not turnReplace defective part(s)