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:  Turbocharger Thermostat Radiator Heater core Coolant Pump Cooling System hoses or tubes EGR cooler without coolant/exhaust cross-contamination	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*Cooling system overheating condition is evident or suspected*	Perform cooling system flush. For additional information, Refer to: Engine Cooling System Flushing - Without Oil or Transmission Fluid Contamination .
   Any of the following components have been replaced (except as part of a new engine or short block installation):  Oil cooler Transmission fluid cooler EGR cooler with coolant/exhaust cross-contamination Cylinder head	If no oil contamination of the coolant, perform cooling system flush. For additional information, Refer to: Engine Cooling System Flushing - Without Oil or Transmission Fluid Contamination . If coolant is contaminated with oil, perform with-contamination cooling system flush. For additional information, Refer to: Engine Cooling System Flushing - With Oil or Transmission Fluid Contamination .