DD15 Troubleshooting – Section 11 High Engine Coolant Temperature

Section 11
High Engine Coolant Temperature

11.1 Improper Engine Coolant Level

11.2 Insufficient Radiator Air Circulation

11.3 Faulty Pressure Control Cap

11.4 Defective Coolant Hoses

11.5 Worn Belts

11.6 Inoperative Thermo-Modulated Fan

11.7 Faulty Thermostat

11.8 Faulty Water Pump