Test B: The Engine Overheats
Pinpoint Test B: The Engine OverheatsNormal Operation
Under normal operation, the cooling fan is controlled by a fan control module and is serviced as an assembly.
Possible Causes
^ Thermostat
^ Airlock in the system
^ Coolant pump
^ Internal engine coolant leak
^ Radiator
^ Radiator airflow obstruction
^ Cooling fan
^ Cooling fan wiring
^ Pressure relief cap
