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EH42PL/EH50PL Cooling System Troubleshooting
Overheating
•
Insufficient/wrong type coolant
•
Air in system
Thermostat stuck closed or not opening completely
Radiator cap faulty (fails to pressurize)
ENGINE
4 Stroke Troubleshooting
•
Restricted system (mud or debris in radiator fins or restriction to air flow, passages blocked in
radiator, lines, pump, or water jacket)
•
Water pump inoperative
•
Fan motor inoperative
Temperature Too Low
•
Thermostat stuck open
Leak at Water Pump Weep Hole
•
Faulty water pump mechanical seal (coolant leak)
Faulty pump shaft oil seal (oil leak)
Polaris Industries Inc.
3.97
7/96
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Table of Contents
Troubleshooting
