FCSD Motorcraft Yellow Antifreeze-Coolant Backward Compatability PDF

A document that provides detailed information on the backward compatibility and usage of Motorcraft Yellow Antifreeze/Coolant. It specifies that the antifreeze is approved for use in certain Ford, Lincoln, and Mercury vehicles originally filled with Motorcraft Orange Antifreeze/Coolant or Specialty Green Engine Coolant. Service instructions emphasize that Motorcraft Yellow can be used for topping off or complete refill without requiring a flush if contamination is not present. The document also includes maintenance guidelines for coolant change intervals and cautions against using this product with non-approved antifreezes. Additionally, it advises on performing corrosion protection tests for certain engines and informs customers about the usage of this coolant in service documentation.