Engine Cooling System Condition Evaluation

For information on Ford Color Coded Illustrations, refer to OEM COLOR CODING

Inspection 

1. Use the following table to evaluate the cooling system condition and choose the correct procedure to restore the system.

   CONDITION	ACTION
   A component in the cooling system has been removed to gain access to another component or system, or any of the following components have been replaced:  Charge air cooler (CAC) Thermostat Radiator Coolant Pump Cooling System hoses or tubes	Perform coolant test procedure. For additional information, Refer to: Coolant Test
   NOTE: *Except as part of a new engine or short block installation. Major coolant loss, including empty coolant bottle, more than 24 hours before repair*Evidence of stop leak being used*Coolant is being replaced*	Perform cooling system flush. For additional information, Refer to: Powertrain Secondary Cooling System Flushing - Without Fuel Contamination .
   Any of the following components have been replaced (except as part of a new engine or short block installation):  Fuel Cooler	If no oil contamination of the coolant, perform cooling system flush. For additional information, Refer to: Powertrain Secondary Cooling System Flushing - Without Fuel Contamination . If coolant is contaminated with oil, perform with-contamination cooling system flush. For additional information, Refer to: Powertrain Secondary Cooling System Flushing - With Fuel Contamination .